Home / 71,179.28-98,237.16-40,963.98

Finding the Fourth Proportional to 71,179.28, 98,237.16 and 40,963.98

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Solution

The fourth proportional to 71,179.28, 98,237.16 and 40,963.98 is: 56,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.28 : 98,237.16 = 40,963.98 : x
  2. Step 2: Convert to fraction form
    71,179.28/98,237.16 = 40,963.98/x
  3. Step 3: Cross multiply
    71,179.28x = 98,237.16 × 40,963.98
  4. Step 4: Simplify right side
    71,179.28x = 4,024,185,057.50
  5. Step 5: Solve for x
    x = 4,024,185,057.50/71,179.28
  6. Step 6: Final answer
    x = 56,535.91

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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.