Home / 75,380.34-113,079.40-33,242.52

Finding the Fourth Proportional to 75,380.34, 113,079.40 and 33,242.52

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Solution

The fourth proportional to 75,380.34, 113,079.40 and 33,242.52 is: 49,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.34 : 113,079.40 = 33,242.52 : x
  2. Step 2: Convert to fraction form
    75,380.34/113,079.40 = 33,242.52/x
  3. Step 3: Cross multiply
    75,380.34x = 113,079.40 × 33,242.52
  4. Step 4: Simplify right side
    75,380.34x = 3,759,044,216.09
  5. Step 5: Solve for x
    x = 3,759,044,216.09/75,380.34
  6. Step 6: Final answer
    x = 49,867.70

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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.