Home / 61,514.25-84,865.37-38,844.78

Finding the Fourth Proportional to 61,514.25, 84,865.37 and 38,844.78

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Solution

The fourth proportional to 61,514.25, 84,865.37 and 38,844.78 is: 53,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,514.25 : 84,865.37 = 38,844.78 : x
  2. Step 2: Convert to fraction form
    61,514.25/84,865.37 = 38,844.78/x
  3. Step 3: Cross multiply
    61,514.25x = 84,865.37 × 38,844.78
  4. Step 4: Simplify right side
    61,514.25x = 3,296,576,433.04
  5. Step 5: Solve for x
    x = 3,296,576,433.04/61,514.25
  6. Step 6: Final answer
    x = 53,590.45

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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.