Home / 66,348.18-99,456.03-36,779.22

Finding the Fourth Proportional to 66,348.18, 99,456.03 and 36,779.22

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Solution

The fourth proportional to 66,348.18, 99,456.03 and 36,779.22 is: 55,132.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,348.18 : 99,456.03 = 36,779.22 : x
  2. Step 2: Convert to fraction form
    66,348.18/99,456.03 = 36,779.22/x
  3. Step 3: Cross multiply
    66,348.18x = 99,456.03 × 36,779.22
  4. Step 4: Simplify right side
    66,348.18x = 3,657,915,207.70
  5. Step 5: Solve for x
    x = 3,657,915,207.70/66,348.18
  6. Step 6: Final answer
    x = 55,132.11

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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.