Home / 123,826.82-170,886.75-70,104.74

Finding the Fourth Proportional to 123,826.82, 170,886.75 and 70,104.74

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Solution

The fourth proportional to 123,826.82, 170,886.75 and 70,104.74 is: 96,747.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,826.82 : 170,886.75 = 70,104.74 : x
  2. Step 2: Convert to fraction form
    123,826.82/170,886.75 = 70,104.74/x
  3. Step 3: Cross multiply
    123,826.82x = 170,886.75 × 70,104.74
  4. Step 4: Simplify right side
    123,826.82x = 11,979,971,178.20
  5. Step 5: Solve for x
    x = 11,979,971,178.20/123,826.82
  6. Step 6: Final answer
    x = 96,747.79

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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.