Home / 55,766.22-76,959.12-30,616.26

Finding the Fourth Proportional to 55,766.22, 76,959.12 and 30,616.26

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Solution

The fourth proportional to 55,766.22, 76,959.12 and 30,616.26 is: 42,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,766.22 : 76,959.12 = 30,616.26 : x
  2. Step 2: Convert to fraction form
    55,766.22/76,959.12 = 30,616.26/x
  3. Step 3: Cross multiply
    55,766.22x = 76,959.12 × 30,616.26
  4. Step 4: Simplify right side
    55,766.22x = 2,356,200,427.29
  5. Step 5: Solve for x
    x = 2,356,200,427.29/55,766.22
  6. Step 6: Final answer
    x = 42,251.39

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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.