Home / 45,514.90-62,781.25-30,201.12

Finding the Fourth Proportional to 45,514.90, 62,781.25 and 30,201.12

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Solution

The fourth proportional to 45,514.90, 62,781.25 and 30,201.12 is: 41,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514.90 : 62,781.25 = 30,201.12 : x
  2. Step 2: Convert to fraction form
    45,514.90/62,781.25 = 30,201.12/x
  3. Step 3: Cross multiply
    45,514.90x = 62,781.25 × 30,201.12
  4. Step 4: Simplify right side
    45,514.90x = 1,896,063,985.04
  5. Step 5: Solve for x
    x = 1,896,063,985.04/45,514.90
  6. Step 6: Final answer
    x = 41,658.09

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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.