Home / 53,644.78-80,405.25-39,393.10

Finding the Fourth Proportional to 53,644.78, 80,405.25 and 39,393.10

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Solution

The fourth proportional to 53,644.78, 80,405.25 and 39,393.10 is: 59,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,644.78 : 80,405.25 = 39,393.10 : x
  2. Step 2: Convert to fraction form
    53,644.78/80,405.25 = 39,393.10/x
  3. Step 3: Cross multiply
    53,644.78x = 80,405.25 × 39,393.10
  4. Step 4: Simplify right side
    53,644.78x = 3,167,412,053.78
  5. Step 5: Solve for x
    x = 3,167,412,053.78/53,644.78
  6. Step 6: Final answer
    x = 59,044.18

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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.