Home / 64,129.05-96,195.24-30,387.20

Finding the Fourth Proportional to 64,129.05, 96,195.24 and 30,387.20

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Solution

The fourth proportional to 64,129.05, 96,195.24 and 30,387.20 is: 45,581.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.05 : 96,195.24 = 30,387.20 : x
  2. Step 2: Convert to fraction form
    64,129.05/96,195.24 = 30,387.20/x
  3. Step 3: Cross multiply
    64,129.05x = 96,195.24 × 30,387.20
  4. Step 4: Simplify right side
    64,129.05x = 2,923,103,515.95
  5. Step 5: Solve for x
    x = 2,923,103,515.95/64,129.05
  6. Step 6: Final answer
    x = 45,581.58

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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.