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Finding the Fourth Proportional to 74,053.30, 102,128.96 and 52,500.46

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Solution

The fourth proportional to 74,053.30, 102,128.96 and 52,500.46 is: 72,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,053.30 : 102,128.96 = 52,500.46 : x
  2. Step 2: Convert to fraction form
    74,053.30/102,128.96 = 52,500.46/x
  3. Step 3: Cross multiply
    74,053.30x = 102,128.96 × 52,500.46
  4. Step 4: Simplify right side
    74,053.30x = 5,361,817,379.32
  5. Step 5: Solve for x
    x = 5,361,817,379.32/74,053.30
  6. Step 6: Final answer
    x = 72,404.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.