Home / 82,753.48-124,033.01-38,286.31

Finding the Fourth Proportional to 82,753.48, 124,033.01 and 38,286.31

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Solution

The fourth proportional to 82,753.48, 124,033.01 and 38,286.31 is: 57,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,753.48 : 124,033.01 = 38,286.31 : x
  2. Step 2: Convert to fraction form
    82,753.48/124,033.01 = 38,286.31/x
  3. Step 3: Cross multiply
    82,753.48x = 124,033.01 × 38,286.31
  4. Step 4: Simplify right side
    82,753.48x = 4,748,765,459.50
  5. Step 5: Solve for x
    x = 4,748,765,459.50/82,753.48
  6. Step 6: Final answer
    x = 57,384.48

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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.