Home / 74,275.60-102,500.76-42,445.66

Finding the Fourth Proportional to 74,275.60, 102,500.76 and 42,445.66

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Solution

The fourth proportional to 74,275.60, 102,500.76 and 42,445.66 is: 58,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,275.60 : 102,500.76 = 42,445.66 : x
  2. Step 2: Convert to fraction form
    74,275.60/102,500.76 = 42,445.66/x
  3. Step 3: Cross multiply
    74,275.60x = 102,500.76 × 42,445.66
  4. Step 4: Simplify right side
    74,275.60x = 4,350,712,408.70
  5. Step 5: Solve for x
    x = 4,350,712,408.70/74,275.60
  6. Step 6: Final answer
    x = 58,575.26

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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.