Home / 74,046.56-102,191.28-40,517.60

Finding the Fourth Proportional to 74,046.56, 102,191.28 and 40,517.60

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Solution

The fourth proportional to 74,046.56, 102,191.28 and 40,517.60 is: 55,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,046.56 : 102,191.28 = 40,517.60 : x
  2. Step 2: Convert to fraction form
    74,046.56/102,191.28 = 40,517.60/x
  3. Step 3: Cross multiply
    74,046.56x = 102,191.28 × 40,517.60
  4. Step 4: Simplify right side
    74,046.56x = 4,140,545,406.53
  5. Step 5: Solve for x
    x = 4,140,545,406.53/74,046.56
  6. Step 6: Final answer
    x = 55,918.13

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1.5x scale

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.