Home / 74,311.53-102,549.87-42,481.11

Finding the Fourth Proportional to 74,311.53, 102,549.87 and 42,481.11

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Solution

The fourth proportional to 74,311.53, 102,549.87 and 42,481.11 is: 58,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,311.53 : 102,549.87 = 42,481.11 : x
  2. Step 2: Convert to fraction form
    74,311.53/102,549.87 = 42,481.11/x
  3. Step 3: Cross multiply
    74,311.53x = 102,549.87 × 42,481.11
  4. Step 4: Simplify right side
    74,311.53x = 4,356,432,235.15
  5. Step 5: Solve for x
    x = 4,356,432,235.15/74,311.53
  6. Step 6: Final answer
    x = 58,623.91

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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.