Home / 72,425.06-108,639.87-22,505.42

Finding the Fourth Proportional to 72,425.06, 108,639.87 and 22,505.42

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Solution

The fourth proportional to 72,425.06, 108,639.87 and 22,505.42 is: 33,758.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,425.06 : 108,639.87 = 22,505.42 : x
  2. Step 2: Convert to fraction form
    72,425.06/108,639.87 = 22,505.42/x
  3. Step 3: Cross multiply
    72,425.06x = 108,639.87 × 22,505.42
  4. Step 4: Simplify right side
    72,425.06x = 2,444,985,903.10
  5. Step 5: Solve for x
    x = 2,444,985,903.10/72,425.06
  6. Step 6: Final answer
    x = 33,758.84

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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.