Home / 75,320.79-103,942.65-41,329.50

Finding the Fourth Proportional to 75,320.79, 103,942.65 and 41,329.50

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Solution

The fourth proportional to 75,320.79, 103,942.65 and 41,329.50 is: 57,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.79 : 103,942.65 = 41,329.50 : x
  2. Step 2: Convert to fraction form
    75,320.79/103,942.65 = 41,329.50/x
  3. Step 3: Cross multiply
    75,320.79x = 103,942.65 × 41,329.50
  4. Step 4: Simplify right side
    75,320.79x = 4,295,897,753.18
  5. Step 5: Solve for x
    x = 4,295,897,753.18/75,320.79
  6. Step 6: Final answer
    x = 57,034.69

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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.