Home / 63,197.36-86,730.96-57,215.92

Finding the Fourth Proportional to 63,197.36, 86,730.96 and 57,215.92

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Solution

The fourth proportional to 63,197.36, 86,730.96 and 57,215.92 is: 78,522.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,197.36 : 86,730.96 = 57,215.92 : x
  2. Step 2: Convert to fraction form
    63,197.36/86,730.96 = 57,215.92/x
  3. Step 3: Cross multiply
    63,197.36x = 86,730.96 × 57,215.92
  4. Step 4: Simplify right side
    63,197.36x = 4,962,391,668.88
  5. Step 5: Solve for x
    x = 4,962,391,668.88/63,197.36
  6. Step 6: Final answer
    x = 78,522.14

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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.