Home / 63,195.36-86,728.22-57,213.92

Finding the Fourth Proportional to 63,195.36, 86,728.22 and 57,213.92

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Solution

The fourth proportional to 63,195.36, 86,728.22 and 57,213.92 is: 78,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,195.36 : 86,728.22 = 57,213.92 : x
  2. Step 2: Convert to fraction form
    63,195.36/86,728.22 = 57,213.92/x
  3. Step 3: Cross multiply
    63,195.36x = 86,728.22 × 57,213.92
  4. Step 4: Simplify right side
    63,195.36x = 4,962,061,440.82
  5. Step 5: Solve for x
    x = 4,962,061,440.82/63,195.36
  6. Step 6: Final answer
    x = 78,519.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.