Home / 107,971.20-161,841.60-41,385.60

Finding the Fourth Proportional to 107,971.20, 161,841.60 and 41,385.60

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Solution

The fourth proportional to 107,971.20, 161,841.60 and 41,385.60 is: 62,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,971.20 : 161,841.60 = 41,385.60 : x
  2. Step 2: Convert to fraction form
    107,971.20/161,841.60 = 41,385.60/x
  3. Step 3: Cross multiply
    107,971.20x = 161,841.60 × 41,385.60
  4. Step 4: Simplify right side
    107,971.20x = 6,697,911,720.96
  5. Step 5: Solve for x
    x = 6,697,911,720.96/107,971.20
  6. Step 6: Final answer
    x = 62,034.24

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1.5x scale

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.