Home / 88,008.24-121,471.20-73,836.48

Finding the Fourth Proportional to 88,008.24, 121,471.20 and 73,836.48

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Solution

The fourth proportional to 88,008.24, 121,471.20 and 73,836.48 is: 101,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,008.24 : 121,471.20 = 73,836.48 : x
  2. Step 2: Convert to fraction form
    88,008.24/121,471.20 = 73,836.48/x
  3. Step 3: Cross multiply
    88,008.24x = 121,471.20 × 73,836.48
  4. Step 4: Simplify right side
    88,008.24x = 8,969,005,829.38
  5. Step 5: Solve for x
    x = 8,969,005,829.38/88,008.24
  6. Step 6: Final answer
    x = 101,910.98

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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.