Home / 87,065.78-120,152.10-50,766.24

Finding the Fourth Proportional to 87,065.78, 120,152.10 and 50,766.24

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Solution

The fourth proportional to 87,065.78, 120,152.10 and 50,766.24 is: 70,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,065.78 : 120,152.10 = 50,766.24 : x
  2. Step 2: Convert to fraction form
    87,065.78/120,152.10 = 50,766.24/x
  3. Step 3: Cross multiply
    87,065.78x = 120,152.10 × 50,766.24
  4. Step 4: Simplify right side
    87,065.78x = 6,099,670,345.10
  5. Step 5: Solve for x
    x = 6,099,670,345.10/87,065.78
  6. Step 6: Final answer
    x = 70,058.18

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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.