Home / 63,640.18-95,472.02-20,948.02

Finding the Fourth Proportional to 63,640.18, 95,472.02 and 20,948.02

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Solution

The fourth proportional to 63,640.18, 95,472.02 and 20,948.02 is: 31,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.18 : 95,472.02 = 20,948.02 : x
  2. Step 2: Convert to fraction form
    63,640.18/95,472.02 = 20,948.02/x
  3. Step 3: Cross multiply
    63,640.18x = 95,472.02 × 20,948.02
  4. Step 4: Simplify right side
    63,640.18x = 1,999,949,784.40
  5. Step 5: Solve for x
    x = 1,999,949,784.40/63,640.18
  6. Step 6: Final answer
    x = 31,425.90

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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.