Home / 89,816.48-123,937.20-49,527.60

Finding the Fourth Proportional to 89,816.48, 123,937.20 and 49,527.60

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Solution

The fourth proportional to 89,816.48, 123,937.20 and 49,527.60 is: 68,342.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,816.48 : 123,937.20 = 49,527.60 : x
  2. Step 2: Convert to fraction form
    89,816.48/123,937.20 = 49,527.60/x
  3. Step 3: Cross multiply
    89,816.48x = 123,937.20 × 49,527.60
  4. Step 4: Simplify right side
    89,816.48x = 6,138,312,066.72
  5. Step 5: Solve for x
    x = 6,138,312,066.72/89,816.48
  6. Step 6: Final answer
    x = 68,342.83

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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.