Home / 74,432.18-102,710.44-42,593.78

Finding the Fourth Proportional to 74,432.18, 102,710.44 and 42,593.78

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Solution

The fourth proportional to 74,432.18, 102,710.44 and 42,593.78 is: 58,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,432.18 : 102,710.44 = 42,593.78 : x
  2. Step 2: Convert to fraction form
    74,432.18/102,710.44 = 42,593.78/x
  3. Step 3: Cross multiply
    74,432.18x = 102,710.44 × 42,593.78
  4. Step 4: Simplify right side
    74,432.18x = 4,374,825,885.06
  5. Step 5: Solve for x
    x = 4,374,825,885.06/74,432.18
  6. Step 6: Final answer
    x = 58,776.00

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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.