Home / 80,444.30-120,506.07-62,831.66

Finding the Fourth Proportional to 80,444.30, 120,506.07 and 62,831.66

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Solution

The fourth proportional to 80,444.30, 120,506.07 and 62,831.66 is: 94,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,444.30 : 120,506.07 = 62,831.66 : x
  2. Step 2: Convert to fraction form
    80,444.30/120,506.07 = 62,831.66/x
  3. Step 3: Cross multiply
    80,444.30x = 120,506.07 × 62,831.66
  4. Step 4: Simplify right side
    80,444.30x = 7,571,596,418.18
  5. Step 5: Solve for x
    x = 7,571,596,418.18/80,444.30
  6. Step 6: Final answer
    x = 94,122.22

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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.