Home / 75,029.68-103,537.61-43,191.82

Finding the Fourth Proportional to 75,029.68, 103,537.61 and 43,191.82

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Solution

The fourth proportional to 75,029.68, 103,537.61 and 43,191.82 is: 59,602.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,029.68 : 103,537.61 = 43,191.82 : x
  2. Step 2: Convert to fraction form
    75,029.68/103,537.61 = 43,191.82/x
  3. Step 3: Cross multiply
    75,029.68x = 103,537.61 × 43,191.82
  4. Step 4: Simplify right side
    75,029.68x = 4,471,977,598.39
  5. Step 5: Solve for x
    x = 4,471,977,598.39/75,029.68
  6. Step 6: Final answer
    x = 59,602.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.