Home / 85,324.59-127,989.32-26,166.24

Finding the Fourth Proportional to 85,324.59, 127,989.32 and 26,166.24

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Solution

The fourth proportional to 85,324.59, 127,989.32 and 26,166.24 is: 39,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,324.59 : 127,989.32 = 26,166.24 : x
  2. Step 2: Convert to fraction form
    85,324.59/127,989.32 = 26,166.24/x
  3. Step 3: Cross multiply
    85,324.59x = 127,989.32 × 26,166.24
  4. Step 4: Simplify right side
    85,324.59x = 3,348,999,133.73
  5. Step 5: Solve for x
    x = 3,348,999,133.73/85,324.59
  6. Step 6: Final answer
    x = 39,250.11

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.