Home / 83,717.25-126,151.41-69,250.23

Finding the Fourth Proportional to 83,717.25, 126,151.41 and 69,250.23

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Solution

The fourth proportional to 83,717.25, 126,151.41 and 69,250.23 is: 104,351.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,717.25 : 126,151.41 = 69,250.23 : x
  2. Step 2: Convert to fraction form
    83,717.25/126,151.41 = 69,250.23/x
  3. Step 3: Cross multiply
    83,717.25x = 126,151.41 × 69,250.23
  4. Step 4: Simplify right side
    83,717.25x = 8,736,014,157.32
  5. Step 5: Solve for x
    x = 8,736,014,157.32/83,717.25
  6. Step 6: Final answer
    x = 104,351.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.