Home / 72,053.20-108,145.72-36,539.03

Finding the Fourth Proportional to 72,053.20, 108,145.72 and 36,539.03

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Solution

The fourth proportional to 72,053.20, 108,145.72 and 36,539.03 is: 54,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,053.20 : 108,145.72 = 36,539.03 : x
  2. Step 2: Convert to fraction form
    72,053.20/108,145.72 = 36,539.03/x
  3. Step 3: Cross multiply
    72,053.20x = 108,145.72 × 36,539.03
  4. Step 4: Simplify right side
    72,053.20x = 3,951,539,707.45
  5. Step 5: Solve for x
    x = 3,951,539,707.45/72,053.20
  6. Step 6: Final answer
    x = 54,841.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.