Home / 83,443.47-125,258.63-55,418.26

Finding the Fourth Proportional to 83,443.47, 125,258.63 and 55,418.26

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Solution

The fourth proportional to 83,443.47, 125,258.63 and 55,418.26 is: 83,189.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,443.47 : 125,258.63 = 55,418.26 : x
  2. Step 2: Convert to fraction form
    83,443.47/125,258.63 = 55,418.26/x
  3. Step 3: Cross multiply
    83,443.47x = 125,258.63 × 55,418.26
  4. Step 4: Simplify right side
    83,443.47x = 6,941,615,854.30
  5. Step 5: Solve for x
    x = 6,941,615,854.30/83,443.47
  6. Step 6: Final answer
    x = 83,189.44

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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.