Home / 82,244.40-123,147.90-52,501.20

Finding the Fourth Proportional to 82,244.40, 123,147.90 and 52,501.20

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Solution

The fourth proportional to 82,244.40, 123,147.90 and 52,501.20 is: 78,612.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,244.40 : 123,147.90 = 52,501.20 : x
  2. Step 2: Convert to fraction form
    82,244.40/123,147.90 = 52,501.20/x
  3. Step 3: Cross multiply
    82,244.40x = 123,147.90 × 52,501.20
  4. Step 4: Simplify right side
    82,244.40x = 6,465,412,527.48
  5. Step 5: Solve for x
    x = 6,465,412,527.48/82,244.40
  6. Step 6: Final answer
    x = 78,612.19

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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.