Home / 83,035.40-124,553.10-82,257.80

Finding the Fourth Proportional to 83,035.40, 124,553.10 and 82,257.80

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Solution

The fourth proportional to 83,035.40, 124,553.10 and 82,257.80 is: 123,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,035.40 : 124,553.10 = 82,257.80 : x
  2. Step 2: Convert to fraction form
    83,035.40/124,553.10 = 82,257.80/x
  3. Step 3: Cross multiply
    83,035.40x = 124,553.10 × 82,257.80
  4. Step 4: Simplify right side
    83,035.40x = 10,245,463,989.18
  5. Step 5: Solve for x
    x = 10,245,463,989.18/83,035.40
  6. Step 6: Final answer
    x = 123,386.70

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1.5x scale

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.