Home / 70,067.48-96,695.24-39,857.13

Finding the Fourth Proportional to 70,067.48, 96,695.24 and 39,857.13

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Solution

The fourth proportional to 70,067.48, 96,695.24 and 39,857.13 is: 55,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.48 : 96,695.24 = 39,857.13 : x
  2. Step 2: Convert to fraction form
    70,067.48/96,695.24 = 39,857.13/x
  3. Step 3: Cross multiply
    70,067.48x = 96,695.24 × 39,857.13
  4. Step 4: Simplify right side
    70,067.48x = 3,853,994,551.78
  5. Step 5: Solve for x
    x = 3,853,994,551.78/70,067.48
  6. Step 6: Final answer
    x = 55,004.05

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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.