Home / 75,884.22-113,730.61-38,453.71

Finding the Fourth Proportional to 75,884.22, 113,730.61 and 38,453.71

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Solution

The fourth proportional to 75,884.22, 113,730.61 and 38,453.71 is: 57,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,884.22 : 113,730.61 = 38,453.71 : x
  2. Step 2: Convert to fraction form
    75,884.22/113,730.61 = 38,453.71/x
  3. Step 3: Cross multiply
    75,884.22x = 113,730.61 × 38,453.71
  4. Step 4: Simplify right side
    75,884.22x = 4,373,363,895.06
  5. Step 5: Solve for x
    x = 4,373,363,895.06/75,884.22
  6. Step 6: Final answer
    x = 57,632.06

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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.