Home / 63,646.08-87,833.52-38,481.12

Finding the Fourth Proportional to 63,646.08, 87,833.52 and 38,481.12

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Solution

The fourth proportional to 63,646.08, 87,833.52 and 38,481.12 is: 53,105.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,646.08 : 87,833.52 = 38,481.12 : x
  2. Step 2: Convert to fraction form
    63,646.08/87,833.52 = 38,481.12/x
  3. Step 3: Cross multiply
    63,646.08x = 87,833.52 × 38,481.12
  4. Step 4: Simplify right side
    63,646.08x = 3,379,932,223.14
  5. Step 5: Solve for x
    x = 3,379,932,223.14/63,646.08
  6. Step 6: Final answer
    x = 53,105.11

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1.5x scale

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.