Home / 83,508.48-115,247.52-45,785.16

Finding the Fourth Proportional to 83,508.48, 115,247.52 and 45,785.16

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Solution

The fourth proportional to 83,508.48, 115,247.52 and 45,785.16 is: 63,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,508.48 : 115,247.52 = 45,785.16 : x
  2. Step 2: Convert to fraction form
    83,508.48/115,247.52 = 45,785.16/x
  3. Step 3: Cross multiply
    83,508.48x = 115,247.52 × 45,785.16
  4. Step 4: Simplify right side
    83,508.48x = 5,276,626,142.80
  5. Step 5: Solve for x
    x = 5,276,626,142.80/83,508.48
  6. Step 6: Final answer
    x = 63,186.71

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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.