Home / 107,729.12-161,604.32-41,225.12

Finding the Fourth Proportional to 107,729.12, 161,604.32 and 41,225.12

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Solution

The fourth proportional to 107,729.12, 161,604.32 and 41,225.12 is: 61,841.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,729.12 : 161,604.32 = 41,225.12 : x
  2. Step 2: Convert to fraction form
    107,729.12/161,604.32 = 41,225.12/x
  3. Step 3: Cross multiply
    107,729.12x = 161,604.32 × 41,225.12
  4. Step 4: Simplify right side
    107,729.12x = 6,662,157,484.52
  5. Step 5: Solve for x
    x = 6,662,157,484.52/107,729.12
  6. Step 6: Final answer
    x = 61,841.75

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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.