Home / 89,677.44-123,754.86-49,390.86

Finding the Fourth Proportional to 89,677.44, 123,754.86 and 49,390.86

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Solution

The fourth proportional to 89,677.44, 123,754.86 and 49,390.86 is: 68,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677.44 : 123,754.86 = 49,390.86 : x
  2. Step 2: Convert to fraction form
    89,677.44/123,754.86 = 49,390.86/x
  3. Step 3: Cross multiply
    89,677.44x = 123,754.86 × 49,390.86
  4. Step 4: Simplify right side
    89,677.44x = 6,112,358,964.58
  5. Step 5: Solve for x
    x = 6,112,358,964.58/89,677.44
  6. Step 6: Final answer
    x = 68,159.38

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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.