Home / 89,634.26-123,690.58-49,340.15

Finding the Fourth Proportional to 89,634.26, 123,690.58 and 49,340.15

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Solution

The fourth proportional to 89,634.26, 123,690.58 and 49,340.15 is: 68,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,634.26 : 123,690.58 = 49,340.15 : x
  2. Step 2: Convert to fraction form
    89,634.26/123,690.58 = 49,340.15/x
  3. Step 3: Cross multiply
    89,634.26x = 123,690.58 × 49,340.15
  4. Step 4: Simplify right side
    89,634.26x = 6,102,911,770.79
  5. Step 5: Solve for x
    x = 6,102,911,770.79/89,634.26
  6. Step 6: Final answer
    x = 68,086.82

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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.