Home / 74,330.62-102,572.67-42,503.02

Finding the Fourth Proportional to 74,330.62, 102,572.67 and 42,503.02

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Solution

The fourth proportional to 74,330.62, 102,572.67 and 42,503.02 is: 58,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.62 : 102,572.67 = 42,503.02 : x
  2. Step 2: Convert to fraction form
    74,330.62/102,572.67 = 42,503.02/x
  3. Step 3: Cross multiply
    74,330.62x = 102,572.67 × 42,503.02
  4. Step 4: Simplify right side
    74,330.62x = 4,359,648,244.46
  5. Step 5: Solve for x
    x = 4,359,648,244.46/74,330.62
  6. Step 6: Final answer
    x = 58,652.12

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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.