Home / 89,227.11-123,133.28-48,941.50

Finding the Fourth Proportional to 89,227.11, 123,133.28 and 48,941.50

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Solution

The fourth proportional to 89,227.11, 123,133.28 and 48,941.50 is: 67,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,227.11 : 123,133.28 = 48,941.50 : x
  2. Step 2: Convert to fraction form
    89,227.11/123,133.28 = 48,941.50/x
  3. Step 3: Cross multiply
    89,227.11x = 123,133.28 × 48,941.50
  4. Step 4: Simplify right side
    89,227.11x = 6,026,327,423.12
  5. Step 5: Solve for x
    x = 6,026,327,423.12/89,227.11
  6. Step 6: Final answer
    x = 67,539.20

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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.