Home / 70,067.12-96,695.78-39,450.76

Finding the Fourth Proportional to 70,067.12, 96,695.78 and 39,450.76

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Solution

The fourth proportional to 70,067.12, 96,695.78 and 39,450.76 is: 54,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.12 : 96,695.78 = 39,450.76 : x
  2. Step 2: Convert to fraction form
    70,067.12/96,695.78 = 39,450.76/x
  3. Step 3: Cross multiply
    70,067.12x = 96,695.78 × 39,450.76
  4. Step 4: Simplify right side
    70,067.12x = 3,814,721,718.74
  5. Step 5: Solve for x
    x = 3,814,721,718.74/70,067.12
  6. Step 6: Final answer
    x = 54,443.82

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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.