Home / 71,158.17-98,195.54-40,953.20

Finding the Fourth Proportional to 71,158.17, 98,195.54 and 40,953.20

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Solution

The fourth proportional to 71,158.17, 98,195.54 and 40,953.20 is: 56,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,158.17 : 98,195.54 = 40,953.20 : x
  2. Step 2: Convert to fraction form
    71,158.17/98,195.54 = 40,953.20/x
  3. Step 3: Cross multiply
    71,158.17x = 98,195.54 × 40,953.20
  4. Step 4: Simplify right side
    71,158.17x = 4,021,420,892.98
  5. Step 5: Solve for x
    x = 4,021,420,892.98/71,158.17
  6. Step 6: Final answer
    x = 56,513.83

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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.