Home / 107,938.90-161,831.55-41,353.30

Finding the Fourth Proportional to 107,938.90, 161,831.55 and 41,353.30

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Solution

The fourth proportional to 107,938.90, 161,831.55 and 41,353.30 is: 62,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.90 : 161,831.55 = 41,353.30 : x
  2. Step 2: Convert to fraction form
    107,938.90/161,831.55 = 41,353.30/x
  3. Step 3: Cross multiply
    107,938.90x = 161,831.55 × 41,353.30
  4. Step 4: Simplify right side
    107,938.90x = 6,692,268,636.62
  5. Step 5: Solve for x
    x = 6,692,268,636.62/107,938.90
  6. Step 6: Final answer
    x = 62,000.53

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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.