Home / 74,276.60-102,500.10-42,006.96

Finding the Fourth Proportional to 74,276.60, 102,500.10 and 42,006.96

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Solution

The fourth proportional to 74,276.60, 102,500.10 and 42,006.96 is: 57,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,276.60 : 102,500.10 = 42,006.96 : x
  2. Step 2: Convert to fraction form
    74,276.60/102,500.10 = 42,006.96/x
  3. Step 3: Cross multiply
    74,276.60x = 102,500.10 × 42,006.96
  4. Step 4: Simplify right side
    74,276.60x = 4,305,717,600.70
  5. Step 5: Solve for x
    x = 4,305,717,600.70/74,276.60
  6. Step 6: Final answer
    x = 57,968.70

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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.