Home / 87,318.02-130,883.77-49,797.30

Finding the Fourth Proportional to 87,318.02, 130,883.77 and 49,797.30

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Solution

The fourth proportional to 87,318.02, 130,883.77 and 49,797.30 is: 74,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,318.02 : 130,883.77 = 49,797.30 : x
  2. Step 2: Convert to fraction form
    87,318.02/130,883.77 = 49,797.30/x
  3. Step 3: Cross multiply
    87,318.02x = 130,883.77 × 49,797.30
  4. Step 4: Simplify right side
    87,318.02x = 6,517,658,235.33
  5. Step 5: Solve for x
    x = 6,517,658,235.33/87,318.02
  6. Step 6: Final answer
    x = 74,642.76

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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.