Home / 71,178.29-98,230.27-40,962.95

Finding the Fourth Proportional to 71,178.29, 98,230.27 and 40,962.95

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Solution

The fourth proportional to 71,178.29, 98,230.27 and 40,962.95 is: 56,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,178.29 : 98,230.27 = 40,962.95 : x
  2. Step 2: Convert to fraction form
    71,178.29/98,230.27 = 40,962.95/x
  3. Step 3: Cross multiply
    71,178.29x = 98,230.27 × 40,962.95
  4. Step 4: Simplify right side
    71,178.29x = 4,023,801,147.35
  5. Step 5: Solve for x
    x = 4,023,801,147.35/71,178.29
  6. Step 6: Final answer
    x = 56,531.30

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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.