Home / 75,022.89-112,565.39-32,881.20

Finding the Fourth Proportional to 75,022.89, 112,565.39 and 32,881.20

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Solution

The fourth proportional to 75,022.89, 112,565.39 and 32,881.20 is: 49,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.89 : 112,565.39 = 32,881.20 : x
  2. Step 2: Convert to fraction form
    75,022.89/112,565.39 = 32,881.20/x
  3. Step 3: Cross multiply
    75,022.89x = 112,565.39 × 32,881.20
  4. Step 4: Simplify right side
    75,022.89x = 3,701,284,937.26
  5. Step 5: Solve for x
    x = 3,701,284,937.26/75,022.89
  6. Step 6: Final answer
    x = 49,335.41

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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.