Home / 74,331.54-102,580.63-42,500.43

Finding the Fourth Proportional to 74,331.54, 102,580.63 and 42,500.43

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Solution

The fourth proportional to 74,331.54, 102,580.63 and 42,500.43 is: 58,652.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,331.54 : 102,580.63 = 42,500.43 : x
  2. Step 2: Convert to fraction form
    74,331.54/102,580.63 = 42,500.43/x
  3. Step 3: Cross multiply
    74,331.54x = 102,580.63 × 42,500.43
  4. Step 4: Simplify right side
    74,331.54x = 4,359,720,778.42
  5. Step 5: Solve for x
    x = 4,359,720,778.42/74,331.54
  6. Step 6: Final answer
    x = 58,652.37

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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.