Home / 75,789.38-113,649.51-36,365.06

Finding the Fourth Proportional to 75,789.38, 113,649.51 and 36,365.06

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Solution

The fourth proportional to 75,789.38, 113,649.51 and 36,365.06 is: 54,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.38 : 113,649.51 = 36,365.06 : x
  2. Step 2: Convert to fraction form
    75,789.38/113,649.51 = 36,365.06/x
  3. Step 3: Cross multiply
    75,789.38x = 113,649.51 × 36,365.06
  4. Step 4: Simplify right side
    75,789.38x = 4,132,871,250.12
  5. Step 5: Solve for x
    x = 4,132,871,250.12/75,789.38
  6. Step 6: Final answer
    x = 54,531.01

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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.