Home / 75,335.39-112,959.33-28,562.75

Finding the Fourth Proportional to 75,335.39, 112,959.33 and 28,562.75

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Solution

The fourth proportional to 75,335.39, 112,959.33 and 28,562.75 is: 42,827.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.39 : 112,959.33 = 28,562.75 : x
  2. Step 2: Convert to fraction form
    75,335.39/112,959.33 = 28,562.75/x
  3. Step 3: Cross multiply
    75,335.39x = 112,959.33 × 28,562.75
  4. Step 4: Simplify right side
    75,335.39x = 3,226,429,102.96
  5. Step 5: Solve for x
    x = 3,226,429,102.96/75,335.39
  6. Step 6: Final answer
    x = 42,827.54

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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.