Home / 66,279.36-99,381.39-45,244.88

Finding the Fourth Proportional to 66,279.36, 99,381.39 and 45,244.88

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Solution

The fourth proportional to 66,279.36, 99,381.39 and 45,244.88 is: 67,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,279.36 : 99,381.39 = 45,244.88 : x
  2. Step 2: Convert to fraction form
    66,279.36/99,381.39 = 45,244.88/x
  3. Step 3: Cross multiply
    66,279.36x = 99,381.39 × 45,244.88
  4. Step 4: Simplify right side
    66,279.36x = 4,496,498,567.88
  5. Step 5: Solve for x
    x = 4,496,498,567.88/66,279.36
  6. Step 6: Final answer
    x = 67,841.61

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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.