Home / 66,531.74-99,827.30-36,146.09

Finding the Fourth Proportional to 66,531.74, 99,827.30 and 36,146.09

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Solution

The fourth proportional to 66,531.74, 99,827.30 and 36,146.09 is: 54,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,531.74 : 99,827.30 = 36,146.09 : x
  2. Step 2: Convert to fraction form
    66,531.74/99,827.30 = 36,146.09/x
  3. Step 3: Cross multiply
    66,531.74x = 99,827.30 × 36,146.09
  4. Step 4: Simplify right side
    66,531.74x = 3,608,366,910.19
  5. Step 5: Solve for x
    x = 3,608,366,910.19/66,531.74
  6. Step 6: Final answer
    x = 54,235.27

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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.