Home / 84,553.20-126,975.60-59,767.20

Finding the Fourth Proportional to 84,553.20, 126,975.60 and 59,767.20

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Solution

The fourth proportional to 84,553.20, 126,975.60 and 59,767.20 is: 89,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.20 : 126,975.60 = 59,767.20 : x
  2. Step 2: Convert to fraction form
    84,553.20/126,975.60 = 59,767.20/x
  3. Step 3: Cross multiply
    84,553.20x = 126,975.60 × 59,767.20
  4. Step 4: Simplify right side
    84,553.20x = 7,588,976,080.32
  5. Step 5: Solve for x
    x = 7,588,976,080.32/84,553.20
  6. Step 6: Final answer
    x = 89,753.86

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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.