Home / 83,354.48-115,028.18-45,113.12

Finding the Fourth Proportional to 83,354.48, 115,028.18 and 45,113.12

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Solution

The fourth proportional to 83,354.48, 115,028.18 and 45,113.12 is: 62,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,354.48 : 115,028.18 = 45,113.12 : x
  2. Step 2: Convert to fraction form
    83,354.48/115,028.18 = 45,113.12/x
  3. Step 3: Cross multiply
    83,354.48x = 115,028.18 × 45,113.12
  4. Step 4: Simplify right side
    83,354.48x = 5,189,279,512.58
  5. Step 5: Solve for x
    x = 5,189,279,512.58/83,354.48
  6. Step 6: Final answer
    x = 62,255.56

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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.