Home / 64,103.89-96,177.20-40,384.05

Finding the Fourth Proportional to 64,103.89, 96,177.20 and 40,384.05

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Solution

The fourth proportional to 64,103.89, 96,177.20 and 40,384.05 is: 60,589.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,103.89 : 96,177.20 = 40,384.05 : x
  2. Step 2: Convert to fraction form
    64,103.89/96,177.20 = 40,384.05/x
  3. Step 3: Cross multiply
    64,103.89x = 96,177.20 × 40,384.05
  4. Step 4: Simplify right side
    64,103.89x = 3,884,024,651.74
  5. Step 5: Solve for x
    x = 3,884,024,651.74/64,103.89
  6. Step 6: Final answer
    x = 60,589.53

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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.