Home / 71,115.66-98,135.82-40,896.18

Finding the Fourth Proportional to 71,115.66, 98,135.82 and 40,896.18

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Solution

The fourth proportional to 71,115.66, 98,135.82 and 40,896.18 is: 56,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115.66 : 98,135.82 = 40,896.18 : x
  2. Step 2: Convert to fraction form
    71,115.66/98,135.82 = 40,896.18/x
  3. Step 3: Cross multiply
    71,115.66x = 98,135.82 × 40,896.18
  4. Step 4: Simplify right side
    71,115.66x = 4,013,380,159.17
  5. Step 5: Solve for x
    x = 4,013,380,159.17/71,115.66
  6. Step 6: Final answer
    x = 56,434.55

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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.