Home / 87,632.28-120,900.06-60,798.60

Finding the Fourth Proportional to 87,632.28, 120,900.06 and 60,798.60

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Solution

The fourth proportional to 87,632.28, 120,900.06 and 60,798.60 is: 83,879.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.28 : 120,900.06 = 60,798.60 : x
  2. Step 2: Convert to fraction form
    87,632.28/120,900.06 = 60,798.60/x
  3. Step 3: Cross multiply
    87,632.28x = 120,900.06 × 60,798.60
  4. Step 4: Simplify right side
    87,632.28x = 7,350,554,387.92
  5. Step 5: Solve for x
    x = 7,350,554,387.92/87,632.28
  6. Step 6: Final answer
    x = 83,879.53

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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.