Home / 71,127.24-98,158.38-40,912.50

Finding the Fourth Proportional to 71,127.24, 98,158.38 and 40,912.50

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Solution

The fourth proportional to 71,127.24, 98,158.38 and 40,912.50 is: 56,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,127.24 : 98,158.38 = 40,912.50 : x
  2. Step 2: Convert to fraction form
    71,127.24/98,158.38 = 40,912.50/x
  3. Step 3: Cross multiply
    71,127.24x = 98,158.38 × 40,912.50
  4. Step 4: Simplify right side
    71,127.24x = 4,015,904,721.75
  5. Step 5: Solve for x
    x = 4,015,904,721.75/71,127.24
  6. Step 6: Final answer
    x = 56,460.85

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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.