Home / 82,291.28-123,424.32-26,124.11

Finding the Fourth Proportional to 82,291.28, 123,424.32 and 26,124.11

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Solution

The fourth proportional to 82,291.28, 123,424.32 and 26,124.11 is: 39,182.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,291.28 : 123,424.32 = 26,124.11 : x
  2. Step 2: Convert to fraction form
    82,291.28/123,424.32 = 26,124.11/x
  3. Step 3: Cross multiply
    82,291.28x = 123,424.32 × 26,124.11
  4. Step 4: Simplify right side
    82,291.28x = 3,224,350,582.75
  5. Step 5: Solve for x
    x = 3,224,350,582.75/82,291.28
  6. Step 6: Final answer
    x = 39,182.16

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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.