Home / 82,030.13-123,045.20-26,626.13

Finding the Fourth Proportional to 82,030.13, 123,045.20 and 26,626.13

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Solution

The fourth proportional to 82,030.13, 123,045.20 and 26,626.13 is: 39,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030.13 : 123,045.20 = 26,626.13 : x
  2. Step 2: Convert to fraction form
    82,030.13/123,045.20 = 26,626.13/x
  3. Step 3: Cross multiply
    82,030.13x = 123,045.20 × 26,626.13
  4. Step 4: Simplify right side
    82,030.13x = 3,276,217,491.08
  5. Step 5: Solve for x
    x = 3,276,217,491.08/82,030.13
  6. Step 6: Final answer
    x = 39,939.20

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Similar ratio
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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.