Home / 72,920.34-109,382.82-23,000.88

Finding the Fourth Proportional to 72,920.34, 109,382.82 and 23,000.88

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Solution

The fourth proportional to 72,920.34, 109,382.82 and 23,000.88 is: 34,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,920.34 : 109,382.82 = 23,000.88 : x
  2. Step 2: Convert to fraction form
    72,920.34/109,382.82 = 23,000.88/x
  3. Step 3: Cross multiply
    72,920.34x = 109,382.82 × 23,000.88
  4. Step 4: Simplify right side
    72,920.34x = 2,515,901,116.88
  5. Step 5: Solve for x
    x = 2,515,901,116.88/72,920.34
  6. Step 6: Final answer
    x = 34,502.05

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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.