Home / 83,207.22-114,956.24-79,110.64

Finding the Fourth Proportional to 83,207.22, 114,956.24 and 79,110.64

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Solution

The fourth proportional to 83,207.22, 114,956.24 and 79,110.64 is: 109,296.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,207.22 : 114,956.24 = 79,110.64 : x
  2. Step 2: Convert to fraction form
    83,207.22/114,956.24 = 79,110.64/x
  3. Step 3: Cross multiply
    83,207.22x = 114,956.24 × 79,110.64
  4. Step 4: Simplify right side
    83,207.22x = 9,094,261,718.39
  5. Step 5: Solve for x
    x = 9,094,261,718.39/83,207.22
  6. Step 6: Final answer
    x = 109,296.55

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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.