Home / 87,646.60-120,952.02-49,927.24

Finding the Fourth Proportional to 87,646.60, 120,952.02 and 49,927.24

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Solution

The fourth proportional to 87,646.60, 120,952.02 and 49,927.24 is: 68,899.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,646.60 : 120,952.02 = 49,927.24 : x
  2. Step 2: Convert to fraction form
    87,646.60/120,952.02 = 49,927.24/x
  3. Step 3: Cross multiply
    87,646.60x = 120,952.02 × 49,927.24
  4. Step 4: Simplify right side
    87,646.60x = 6,038,800,531.02
  5. Step 5: Solve for x
    x = 6,038,800,531.02/87,646.60
  6. Step 6: Final answer
    x = 68,899.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.