Home / 107,831.20-161,741.28-41,303.20

Finding the Fourth Proportional to 107,831.20, 161,741.28 and 41,303.20

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Solution

The fourth proportional to 107,831.20, 161,741.28 and 41,303.20 is: 61,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,831.20 : 161,741.28 = 41,303.20 : x
  2. Step 2: Convert to fraction form
    107,831.20/161,741.28 = 41,303.20/x
  3. Step 3: Cross multiply
    107,831.20x = 161,741.28 × 41,303.20
  4. Step 4: Simplify right side
    107,831.20x = 6,680,432,436.10
  5. Step 5: Solve for x
    x = 6,680,432,436.10/107,831.20
  6. Step 6: Final answer
    x = 61,952.69

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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.