Home / 83,519.16-115,255.62-45,793.32

Finding the Fourth Proportional to 83,519.16, 115,255.62 and 45,793.32

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Solution

The fourth proportional to 83,519.16, 115,255.62 and 45,793.32 is: 63,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,519.16 : 115,255.62 = 45,793.32 : x
  2. Step 2: Convert to fraction form
    83,519.16/115,255.62 = 45,793.32/x
  3. Step 3: Cross multiply
    83,519.16x = 115,255.62 × 45,793.32
  4. Step 4: Simplify right side
    83,519.16x = 5,277,937,488.46
  5. Step 5: Solve for x
    x = 5,277,937,488.46/83,519.16
  6. Step 6: Final answer
    x = 63,194.33

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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.