Home / 87,793.10-121,156.02-49,560.30

Finding the Fourth Proportional to 87,793.10, 121,156.02 and 49,560.30

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Solution

The fourth proportional to 87,793.10, 121,156.02 and 49,560.30 is: 68,394.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,793.10 : 121,156.02 = 49,560.30 : x
  2. Step 2: Convert to fraction form
    87,793.10/121,156.02 = 49,560.30/x
  3. Step 3: Cross multiply
    87,793.10x = 121,156.02 × 49,560.30
  4. Step 4: Simplify right side
    87,793.10x = 6,004,528,698.01
  5. Step 5: Solve for x
    x = 6,004,528,698.01/87,793.10
  6. Step 6: Final answer
    x = 68,394.08

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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.