Home / 85,014.18-127,516.64-25,845.23

Finding the Fourth Proportional to 85,014.18, 127,516.64 and 25,845.23

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Solution

The fourth proportional to 85,014.18, 127,516.64 and 25,845.23 is: 38,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.18 : 127,516.64 = 25,845.23 : x
  2. Step 2: Convert to fraction form
    85,014.18/127,516.64 = 25,845.23/x
  3. Step 3: Cross multiply
    85,014.18x = 127,516.64 × 25,845.23
  4. Step 4: Simplify right side
    85,014.18x = 3,295,696,122.82
  5. Step 5: Solve for x
    x = 3,295,696,122.82/85,014.18
  6. Step 6: Final answer
    x = 38,766.43

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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.