Home / 64,519.20-96,685.02-28,451.79

Finding the Fourth Proportional to 64,519.20, 96,685.02 and 28,451.79

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Solution

The fourth proportional to 64,519.20, 96,685.02 and 28,451.79 is: 42,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,519.20 : 96,685.02 = 28,451.79 : x
  2. Step 2: Convert to fraction form
    64,519.20/96,685.02 = 28,451.79/x
  3. Step 3: Cross multiply
    64,519.20x = 96,685.02 × 28,451.79
  4. Step 4: Simplify right side
    64,519.20x = 2,750,861,885.19
  5. Step 5: Solve for x
    x = 2,750,861,885.19/64,519.20
  6. Step 6: Final answer
    x = 42,636.33

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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.