Home / 89,651.20-123,714.14-49,368.46

Finding the Fourth Proportional to 89,651.20, 123,714.14 and 49,368.46

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Solution

The fourth proportional to 89,651.20, 123,714.14 and 49,368.46 is: 68,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,651.20 : 123,714.14 = 49,368.46 : x
  2. Step 2: Convert to fraction form
    89,651.20/123,714.14 = 49,368.46/x
  3. Step 3: Cross multiply
    89,651.20x = 123,714.14 × 49,368.46
  4. Step 4: Simplify right side
    89,651.20x = 6,107,576,572.02
  5. Step 5: Solve for x
    x = 6,107,576,572.02/89,651.20
  6. Step 6: Final answer
    x = 68,125.99

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Why These Related Problems?

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