Home / 87,940.08-121,518.24-64,025.24

Finding the Fourth Proportional to 87,940.08, 121,518.24 and 64,025.24

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Solution

The fourth proportional to 87,940.08, 121,518.24 and 64,025.24 is: 88,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940.08 : 121,518.24 = 64,025.24 : x
  2. Step 2: Convert to fraction form
    87,940.08/121,518.24 = 64,025.24/x
  3. Step 3: Cross multiply
    87,940.08x = 121,518.24 × 64,025.24
  4. Step 4: Simplify right side
    87,940.08x = 7,780,234,480.38
  5. Step 5: Solve for x
    x = 7,780,234,480.38/87,940.08
  6. Step 6: Final answer
    x = 88,472.00

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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.