Home / 64,589.65-96,832.19-20,193.55

Finding the Fourth Proportional to 64,589.65, 96,832.19 and 20,193.55

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Solution

The fourth proportional to 64,589.65, 96,832.19 and 20,193.55 is: 30,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,589.65 : 96,832.19 = 20,193.55 : x
  2. Step 2: Convert to fraction form
    64,589.65/96,832.19 = 20,193.55/x
  3. Step 3: Cross multiply
    64,589.65x = 96,832.19 × 20,193.55
  4. Step 4: Simplify right side
    64,589.65x = 1,955,385,478.78
  5. Step 5: Solve for x
    x = 1,955,385,478.78/64,589.65
  6. Step 6: Final answer
    x = 30,273.98

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1.5x scale

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.