Home / 70,540.24-105,831.96-23,789.20

Finding the Fourth Proportional to 70,540.24, 105,831.96 and 23,789.20

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Solution

The fourth proportional to 70,540.24, 105,831.96 and 23,789.20 is: 35,691.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,540.24 : 105,831.96 = 23,789.20 : x
  2. Step 2: Convert to fraction form
    70,540.24/105,831.96 = 23,789.20/x
  3. Step 3: Cross multiply
    70,540.24x = 105,831.96 × 23,789.20
  4. Step 4: Simplify right side
    70,540.24x = 2,517,657,662.83
  5. Step 5: Solve for x
    x = 2,517,657,662.83/70,540.24
  6. Step 6: Final answer
    x = 35,691.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.