Home / 85,111.15-127,666.72-25,946.31

Finding the Fourth Proportional to 85,111.15, 127,666.72 and 25,946.31

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Solution

The fourth proportional to 85,111.15, 127,666.72 and 25,946.31 is: 38,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,111.15 : 127,666.72 = 25,946.31 : x
  2. Step 2: Convert to fraction form
    85,111.15/127,666.72 = 25,946.31/x
  3. Step 3: Cross multiply
    85,111.15x = 127,666.72 × 25,946.31
  4. Step 4: Simplify right side
    85,111.15x = 3,312,479,720.34
  5. Step 5: Solve for x
    x = 3,312,479,720.34/85,111.15
  6. Step 6: Final answer
    x = 38,919.46

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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.