Home / 70,137.09-96,789.33-38,306.52

Finding the Fourth Proportional to 70,137.09, 96,789.33 and 38,306.52

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Solution

The fourth proportional to 70,137.09, 96,789.33 and 38,306.52 is: 52,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,137.09 : 96,789.33 = 38,306.52 : x
  2. Step 2: Convert to fraction form
    70,137.09/96,789.33 = 38,306.52/x
  3. Step 3: Cross multiply
    70,137.09x = 96,789.33 × 38,306.52
  4. Step 4: Simplify right side
    70,137.09x = 3,707,662,405.43
  5. Step 5: Solve for x
    x = 3,707,662,405.43/70,137.09
  6. Step 6: Final answer
    x = 52,863.08

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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.