Home / 89,722.96-123,812.62-49,440.85

Finding the Fourth Proportional to 89,722.96, 123,812.62 and 49,440.85

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Solution

The fourth proportional to 89,722.96, 123,812.62 and 49,440.85 is: 68,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,722.96 : 123,812.62 = 49,440.85 : x
  2. Step 2: Convert to fraction form
    89,722.96/123,812.62 = 49,440.85/x
  3. Step 3: Cross multiply
    89,722.96x = 123,812.62 × 49,440.85
  4. Step 4: Simplify right side
    89,722.96x = 6,121,400,740.39
  5. Step 5: Solve for x
    x = 6,121,400,740.39/89,722.96
  6. Step 6: Final answer
    x = 68,225.58

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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.