Home / 83,716.32-115,535.76-45,997.80

Finding the Fourth Proportional to 83,716.32, 115,535.76 and 45,997.80

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Solution

The fourth proportional to 83,716.32, 115,535.76 and 45,997.80 is: 63,480.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716.32 : 115,535.76 = 45,997.80 : x
  2. Step 2: Convert to fraction form
    83,716.32/115,535.76 = 45,997.80/x
  3. Step 3: Cross multiply
    83,716.32x = 115,535.76 × 45,997.80
  4. Step 4: Simplify right side
    83,716.32x = 5,314,390,781.33
  5. Step 5: Solve for x
    x = 5,314,390,781.33/83,716.32
  6. Step 6: Final answer
    x = 63,480.94

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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.