Home / 72,272.16-108,267.96-53,262.28

Finding the Fourth Proportional to 72,272.16, 108,267.96 and 53,262.28

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Solution

The fourth proportional to 72,272.16, 108,267.96 and 53,262.28 is: 79,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,272.16 : 108,267.96 = 53,262.28 : x
  2. Step 2: Convert to fraction form
    72,272.16/108,267.96 = 53,262.28/x
  3. Step 3: Cross multiply
    72,272.16x = 108,267.96 × 53,262.28
  4. Step 4: Simplify right side
    72,272.16x = 5,766,598,400.55
  5. Step 5: Solve for x
    x = 5,766,598,400.55/72,272.16
  6. Step 6: Final answer
    x = 79,790.04

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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.