Home / 55,080.52-76,010.68-29,930.20

Finding the Fourth Proportional to 55,080.52, 76,010.68 and 29,930.20

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Solution

The fourth proportional to 55,080.52, 76,010.68 and 29,930.20 is: 41,303.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.52 : 76,010.68 = 29,930.20 : x
  2. Step 2: Convert to fraction form
    55,080.52/76,010.68 = 29,930.20/x
  3. Step 3: Cross multiply
    55,080.52x = 76,010.68 × 29,930.20
  4. Step 4: Simplify right side
    55,080.52x = 2,275,014,854.54
  5. Step 5: Solve for x
    x = 2,275,014,854.54/55,080.52
  6. Step 6: Final answer
    x = 41,303.44

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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.