Home / 64,234.90-96,359.55-19,861.30

Finding the Fourth Proportional to 64,234.90, 96,359.55 and 19,861.30

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Solution

The fourth proportional to 64,234.90, 96,359.55 and 19,861.30 is: 29,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.90 : 96,359.55 = 19,861.30 : x
  2. Step 2: Convert to fraction form
    64,234.90/96,359.55 = 19,861.30/x
  3. Step 3: Cross multiply
    64,234.90x = 96,359.55 × 19,861.30
  4. Step 4: Simplify right side
    64,234.90x = 1,913,825,930.42
  5. Step 5: Solve for x
    x = 1,913,825,930.42/64,234.90
  6. Step 6: Final answer
    x = 29,794.18

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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.