Home / 68,831.67-103,247.25-38,832.30

Finding the Fourth Proportional to 68,831.67, 103,247.25 and 38,832.30

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Solution

The fourth proportional to 68,831.67, 103,247.25 and 38,832.30 is: 58,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,831.67 : 103,247.25 = 38,832.30 : x
  2. Step 2: Convert to fraction form
    68,831.67/103,247.25 = 38,832.30/x
  3. Step 3: Cross multiply
    68,831.67x = 103,247.25 × 38,832.30
  4. Step 4: Simplify right side
    68,831.67x = 4,009,328,186.18
  5. Step 5: Solve for x
    x = 4,009,328,186.18/68,831.67
  6. Step 6: Final answer
    x = 58,248.31

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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.