Home / 62,078.64-85,657.20-40,562.70

Finding the Fourth Proportional to 62,078.64, 85,657.20 and 40,562.70

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Solution

The fourth proportional to 62,078.64, 85,657.20 and 40,562.70 is: 55,969.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,078.64 : 85,657.20 = 40,562.70 : x
  2. Step 2: Convert to fraction form
    62,078.64/85,657.20 = 40,562.70/x
  3. Step 3: Cross multiply
    62,078.64x = 85,657.20 × 40,562.70
  4. Step 4: Simplify right side
    62,078.64x = 3,474,487,306.44
  5. Step 5: Solve for x
    x = 3,474,487,306.44/62,078.64
  6. Step 6: Final answer
    x = 55,969.13

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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.