Home / 75,325.29-113,024.79-30,344.78

Finding the Fourth Proportional to 75,325.29, 113,024.79 and 30,344.78

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Solution

The fourth proportional to 75,325.29, 113,024.79 and 30,344.78 is: 45,532.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325.29 : 113,024.79 = 30,344.78 : x
  2. Step 2: Convert to fraction form
    75,325.29/113,024.79 = 30,344.78/x
  3. Step 3: Cross multiply
    75,325.29x = 113,024.79 × 30,344.78
  4. Step 4: Simplify right side
    75,325.29x = 3,429,711,821.97
  5. Step 5: Solve for x
    x = 3,429,711,821.97/75,325.29
  6. Step 6: Final answer
    x = 45,532.01

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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.