Home / 71,927.46-99,259.90-40,098.42

Finding the Fourth Proportional to 71,927.46, 99,259.90 and 40,098.42

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Solution

The fourth proportional to 71,927.46, 99,259.90 and 40,098.42 is: 55,335.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,927.46 : 99,259.90 = 40,098.42 : x
  2. Step 2: Convert to fraction form
    71,927.46/99,259.90 = 40,098.42/x
  3. Step 3: Cross multiply
    71,927.46x = 99,259.90 × 40,098.42
  4. Step 4: Simplify right side
    71,927.46x = 3,980,165,159.36
  5. Step 5: Solve for x
    x = 3,980,165,159.36/71,927.46
  6. Step 6: Final answer
    x = 55,335.82

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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.