Home / 74,047.29-111,002.80-40,263.96

Finding the Fourth Proportional to 74,047.29, 111,002.80 and 40,263.96

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Solution

The fourth proportional to 74,047.29, 111,002.80 and 40,263.96 is: 60,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,047.29 : 111,002.80 = 40,263.96 : x
  2. Step 2: Convert to fraction form
    74,047.29/111,002.80 = 40,263.96/x
  3. Step 3: Cross multiply
    74,047.29x = 111,002.80 × 40,263.96
  4. Step 4: Simplify right side
    74,047.29x = 4,469,411,753.60
  5. Step 5: Solve for x
    x = 4,469,411,753.60/74,047.29
  6. Step 6: Final answer
    x = 60,358.88

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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.