Home / 83,463.88-115,220.07-47,646.97

Finding the Fourth Proportional to 83,463.88, 115,220.07 and 47,646.97

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Solution

The fourth proportional to 83,463.88, 115,220.07 and 47,646.97 is: 65,775.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,463.88 : 115,220.07 = 47,646.97 : x
  2. Step 2: Convert to fraction form
    83,463.88/115,220.07 = 47,646.97/x
  3. Step 3: Cross multiply
    83,463.88x = 115,220.07 × 47,646.97
  4. Step 4: Simplify right side
    83,463.88x = 5,489,887,218.69
  5. Step 5: Solve for x
    x = 5,489,887,218.69/83,463.88
  6. Step 6: Final answer
    x = 65,775.61

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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.