Home / 61,957.29-85,540.01-40,772.55

Finding the Fourth Proportional to 61,957.29, 85,540.01 and 40,772.55

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Solution

The fourth proportional to 61,957.29, 85,540.01 and 40,772.55 is: 56,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,957.29 : 85,540.01 = 40,772.55 : x
  2. Step 2: Convert to fraction form
    61,957.29/85,540.01 = 40,772.55/x
  3. Step 3: Cross multiply
    61,957.29x = 85,540.01 × 40,772.55
  4. Step 4: Simplify right side
    61,957.29x = 3,487,684,130.86
  5. Step 5: Solve for x
    x = 3,487,684,130.86/61,957.29
  6. Step 6: Final answer
    x = 56,291.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.