Home / 83,610.18-115,378.29-45,883.62

Finding the Fourth Proportional to 83,610.18, 115,378.29 and 45,883.62

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Solution

The fourth proportional to 83,610.18, 115,378.29 and 45,883.62 is: 63,317.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.18 : 115,378.29 = 45,883.62 : x
  2. Step 2: Convert to fraction form
    83,610.18/115,378.29 = 45,883.62/x
  3. Step 3: Cross multiply
    83,610.18x = 115,378.29 × 45,883.62
  4. Step 4: Simplify right side
    83,610.18x = 5,293,973,614.61
  5. Step 5: Solve for x
    x = 5,293,973,614.61/83,610.18
  6. Step 6: Final answer
    x = 63,317.33

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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.