Home / 66,291.38-99,397.40-44,970.30

Finding the Fourth Proportional to 66,291.38, 99,397.40 and 44,970.30

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Solution

The fourth proportional to 66,291.38, 99,397.40 and 44,970.30 is: 67,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,291.38 : 99,397.40 = 44,970.30 : x
  2. Step 2: Convert to fraction form
    66,291.38/99,397.40 = 44,970.30/x
  3. Step 3: Cross multiply
    66,291.38x = 99,397.40 × 44,970.30
  4. Step 4: Simplify right side
    66,291.38x = 4,469,930,897.22
  5. Step 5: Solve for x
    x = 4,469,930,897.22/66,291.38
  6. Step 6: Final answer
    x = 67,428.54

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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.