Home / 66,538.38-99,855.09-49,053.90

Finding the Fourth Proportional to 66,538.38, 99,855.09 and 49,053.90

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Solution

The fourth proportional to 66,538.38, 99,855.09 and 49,053.90 is: 73,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538.38 : 99,855.09 = 49,053.90 : x
  2. Step 2: Convert to fraction form
    66,538.38/99,855.09 = 49,053.90/x
  3. Step 3: Cross multiply
    66,538.38x = 99,855.09 × 49,053.90
  4. Step 4: Simplify right side
    66,538.38x = 4,898,281,599.35
  5. Step 5: Solve for x
    x = 4,898,281,599.35/66,538.38
  6. Step 6: Final answer
    x = 73,615.88

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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.