Home / 74,251.40-111,377.10-69,002.60

Finding the Fourth Proportional to 74,251.40, 111,377.10 and 69,002.60

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Solution

The fourth proportional to 74,251.40, 111,377.10 and 69,002.60 is: 103,503.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,251.40 : 111,377.10 = 69,002.60 : x
  2. Step 2: Convert to fraction form
    74,251.40/111,377.10 = 69,002.60/x
  3. Step 3: Cross multiply
    74,251.40x = 111,377.10 × 69,002.60
  4. Step 4: Simplify right side
    74,251.40x = 7,685,309,480.46
  5. Step 5: Solve for x
    x = 7,685,309,480.46/74,251.40
  6. Step 6: Final answer
    x = 103,503.90

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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.