Home / 56,831.20-85,246.80-25,727.20

Finding the Fourth Proportional to 56,831.20, 85,246.80 and 25,727.20

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Solution

The fourth proportional to 56,831.20, 85,246.80 and 25,727.20 is: 38,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,831.20 : 85,246.80 = 25,727.20 : x
  2. Step 2: Convert to fraction form
    56,831.20/85,246.80 = 25,727.20/x
  3. Step 3: Cross multiply
    56,831.20x = 85,246.80 × 25,727.20
  4. Step 4: Simplify right side
    56,831.20x = 2,193,161,472.96
  5. Step 5: Solve for x
    x = 2,193,161,472.96/56,831.20
  6. Step 6: Final answer
    x = 38,590.80

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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.