Home / 83,695.36-115,471.80-49,714.24

Finding the Fourth Proportional to 83,695.36, 115,471.80 and 49,714.24

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Solution

The fourth proportional to 83,695.36, 115,471.80 and 49,714.24 is: 68,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,695.36 : 115,471.80 = 49,714.24 : x
  2. Step 2: Convert to fraction form
    83,695.36/115,471.80 = 49,714.24/x
  3. Step 3: Cross multiply
    83,695.36x = 115,471.80 × 49,714.24
  4. Step 4: Simplify right side
    83,695.36x = 5,740,592,778.43
  5. Step 5: Solve for x
    x = 5,740,592,778.43/83,695.36
  6. Step 6: Final answer
    x = 68,589.14

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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.