Home / 87,349.59-120,541.83-49,623.84

Finding the Fourth Proportional to 87,349.59, 120,541.83 and 49,623.84

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Solution

The fourth proportional to 87,349.59, 120,541.83 and 49,623.84 is: 68,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,349.59 : 120,541.83 = 49,623.84 : x
  2. Step 2: Convert to fraction form
    87,349.59/120,541.83 = 49,623.84/x
  3. Step 3: Cross multiply
    87,349.59x = 120,541.83 × 49,623.84
  4. Step 4: Simplify right side
    87,349.59x = 5,981,748,485.23
  5. Step 5: Solve for x
    x = 5,981,748,485.23/87,349.59
  6. Step 6: Final answer
    x = 68,480.56

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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.