Home / 87,600.08-120,889.02-49,876.76

Finding the Fourth Proportional to 87,600.08, 120,889.02 and 49,876.76

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Solution

The fourth proportional to 87,600.08, 120,889.02 and 49,876.76 is: 68,830.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,600.08 : 120,889.02 = 49,876.76 : x
  2. Step 2: Convert to fraction form
    87,600.08/120,889.02 = 49,876.76/x
  3. Step 3: Cross multiply
    87,600.08x = 120,889.02 × 49,876.76
  4. Step 4: Simplify right side
    87,600.08x = 6,029,552,637.18
  5. Step 5: Solve for x
    x = 6,029,552,637.18/87,600.08
  6. Step 6: Final answer
    x = 68,830.45

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1.5x scale

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.