Home / 82,479.20-123,705.08-23,301.36

Finding the Fourth Proportional to 82,479.20, 123,705.08 and 23,301.36

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Solution

The fourth proportional to 82,479.20, 123,705.08 and 23,301.36 is: 34,948.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,479.20 : 123,705.08 = 23,301.36 : x
  2. Step 2: Convert to fraction form
    82,479.20/123,705.08 = 23,301.36/x
  3. Step 3: Cross multiply
    82,479.20x = 123,705.08 × 23,301.36
  4. Step 4: Simplify right side
    82,479.20x = 2,882,496,602.91
  5. Step 5: Solve for x
    x = 2,882,496,602.91/82,479.20
  6. Step 6: Final answer
    x = 34,948.16

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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.