Home / 87,317.76-130,883.38-49,797.04

Finding the Fourth Proportional to 87,317.76, 130,883.38 and 49,797.04

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Solution

The fourth proportional to 87,317.76, 130,883.38 and 49,797.04 is: 74,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.76 : 130,883.38 = 49,797.04 : x
  2. Step 2: Convert to fraction form
    87,317.76/130,883.38 = 49,797.04/x
  3. Step 3: Cross multiply
    87,317.76x = 130,883.38 × 49,797.04
  4. Step 4: Simplify right side
    87,317.76x = 6,517,604,983.01
  5. Step 5: Solve for x
    x = 6,517,604,983.01/87,317.76
  6. Step 6: Final answer
    x = 74,642.38

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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.