Home / 82,275.43-123,417.93-23,115.71

Finding the Fourth Proportional to 82,275.43, 123,417.93 and 23,115.71

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Solution

The fourth proportional to 82,275.43, 123,417.93 and 23,115.71 is: 34,674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,275.43 : 123,417.93 = 23,115.71 : x
  2. Step 2: Convert to fraction form
    82,275.43/123,417.93 = 23,115.71/x
  3. Step 3: Cross multiply
    82,275.43x = 123,417.93 × 23,115.71
  4. Step 4: Simplify right side
    82,275.43x = 2,852,893,078.68
  5. Step 5: Solve for x
    x = 2,852,893,078.68/82,275.43
  6. Step 6: Final answer
    x = 34,674.91

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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.