Home / 74,366.62-102,625.20-40,374.38

Finding the Fourth Proportional to 74,366.62, 102,625.20 and 40,374.38

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Solution

The fourth proportional to 74,366.62, 102,625.20 and 40,374.38 is: 55,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,366.62 : 102,625.20 = 40,374.38 : x
  2. Step 2: Convert to fraction form
    74,366.62/102,625.20 = 40,374.38/x
  3. Step 3: Cross multiply
    74,366.62x = 102,625.20 × 40,374.38
  4. Step 4: Simplify right side
    74,366.62x = 4,143,428,822.38
  5. Step 5: Solve for x
    x = 4,143,428,822.38/74,366.62
  6. Step 6: Final answer
    x = 55,716.25

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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.