Home / 75,134.22-112,756.50-60,519.59

Finding the Fourth Proportional to 75,134.22, 112,756.50 and 60,519.59

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Solution

The fourth proportional to 75,134.22, 112,756.50 and 60,519.59 is: 90,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,134.22 : 112,756.50 = 60,519.59 : x
  2. Step 2: Convert to fraction form
    75,134.22/112,756.50 = 60,519.59/x
  3. Step 3: Cross multiply
    75,134.22x = 112,756.50 × 60,519.59
  4. Step 4: Simplify right side
    75,134.22x = 6,823,977,008.89
  5. Step 5: Solve for x
    x = 6,823,977,008.89/75,134.22
  6. Step 6: Final answer
    x = 90,823.83

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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.