Home / 70,137.83-96,788.71-38,306.85

Finding the Fourth Proportional to 70,137.83, 96,788.71 and 38,306.85

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Solution

The fourth proportional to 70,137.83, 96,788.71 and 38,306.85 is: 52,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,137.83 : 96,788.71 = 38,306.85 : x
  2. Step 2: Convert to fraction form
    70,137.83/96,788.71 = 38,306.85/x
  3. Step 3: Cross multiply
    70,137.83x = 96,788.71 × 38,306.85
  4. Step 4: Simplify right side
    70,137.83x = 3,707,670,595.66
  5. Step 5: Solve for x
    x = 3,707,670,595.66/70,137.83
  6. Step 6: Final answer
    x = 52,862.64

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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.