Home / 89,216.75-123,119.12-49,472.75

Finding the Fourth Proportional to 89,216.75, 123,119.12 and 49,472.75

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Solution

The fourth proportional to 89,216.75, 123,119.12 and 49,472.75 is: 68,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,216.75 : 123,119.12 = 49,472.75 : x
  2. Step 2: Convert to fraction form
    89,216.75/123,119.12 = 49,472.75/x
  3. Step 3: Cross multiply
    89,216.75x = 123,119.12 × 49,472.75
  4. Step 4: Simplify right side
    89,216.75x = 6,091,041,443.98
  5. Step 5: Solve for x
    x = 6,091,041,443.98/89,216.75
  6. Step 6: Final answer
    x = 68,272.40

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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.