Home / 75,327.13-113,009.72-34,781.10

Finding the Fourth Proportional to 75,327.13, 113,009.72 and 34,781.10

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Solution

The fourth proportional to 75,327.13, 113,009.72 and 34,781.10 is: 52,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,327.13 : 113,009.72 = 34,781.10 : x
  2. Step 2: Convert to fraction form
    75,327.13/113,009.72 = 34,781.10/x
  3. Step 3: Cross multiply
    75,327.13x = 113,009.72 × 34,781.10
  4. Step 4: Simplify right side
    75,327.13x = 3,930,601,774.60
  5. Step 5: Solve for x
    x = 3,930,601,774.60/75,327.13
  6. Step 6: Final answer
    x = 52,180.43

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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.