Home / 90,832.89-125,366.73-60,151.92

Finding the Fourth Proportional to 90,832.89, 125,366.73 and 60,151.92

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Solution

The fourth proportional to 90,832.89, 125,366.73 and 60,151.92 is: 83,021.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,832.89 : 125,366.73 = 60,151.92 : x
  2. Step 2: Convert to fraction form
    90,832.89/125,366.73 = 60,151.92/x
  3. Step 3: Cross multiply
    90,832.89x = 125,366.73 × 60,151.92
  4. Step 4: Simplify right side
    90,832.89x = 7,541,049,513.62
  5. Step 5: Solve for x
    x = 7,541,049,513.62/90,832.89
  6. Step 6: Final answer
    x = 83,021.13

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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.