Home / 82,747.20-124,140.28-23,583.72

Finding the Fourth Proportional to 82,747.20, 124,140.28 and 23,583.72

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Solution

The fourth proportional to 82,747.20, 124,140.28 and 23,583.72 is: 35,381.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,747.20 : 124,140.28 = 23,583.72 : x
  2. Step 2: Convert to fraction form
    82,747.20/124,140.28 = 23,583.72/x
  3. Step 3: Cross multiply
    82,747.20x = 124,140.28 × 23,583.72
  4. Step 4: Simplify right side
    82,747.20x = 2,927,689,604.24
  5. Step 5: Solve for x
    x = 2,927,689,604.24/82,747.20
  6. Step 6: Final answer
    x = 35,381.13

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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.