Home / 83,170.32-114,775.14-45,444.57

Finding the Fourth Proportional to 83,170.32, 114,775.14 and 45,444.57

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Solution

The fourth proportional to 83,170.32, 114,775.14 and 45,444.57 is: 62,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,170.32 : 114,775.14 = 45,444.57 : x
  2. Step 2: Convert to fraction form
    83,170.32/114,775.14 = 45,444.57/x
  3. Step 3: Cross multiply
    83,170.32x = 114,775.14 × 45,444.57
  4. Step 4: Simplify right side
    83,170.32x = 5,215,906,883.99
  5. Step 5: Solve for x
    x = 5,215,906,883.99/83,170.32
  6. Step 6: Final answer
    x = 62,713.56

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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.