Home / 67,720.68-93,470.09-45,060.62

Finding the Fourth Proportional to 67,720.68, 93,470.09 and 45,060.62

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Solution

The fourth proportional to 67,720.68, 93,470.09 and 45,060.62 is: 62,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,720.68 : 93,470.09 = 45,060.62 : x
  2. Step 2: Convert to fraction form
    67,720.68/93,470.09 = 45,060.62/x
  3. Step 3: Cross multiply
    67,720.68x = 93,470.09 × 45,060.62
  4. Step 4: Simplify right side
    67,720.68x = 4,211,819,514.20
  5. Step 5: Solve for x
    x = 4,211,819,514.20/67,720.68
  6. Step 6: Final answer
    x = 62,193.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.