Home / 70,035.20-96,656.63-38,993.57

Finding the Fourth Proportional to 70,035.20, 96,656.63 and 38,993.57

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Solution

The fourth proportional to 70,035.20, 96,656.63 and 38,993.57 is: 53,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.20 : 96,656.63 = 38,993.57 : x
  2. Step 2: Convert to fraction form
    70,035.20/96,656.63 = 38,993.57/x
  3. Step 3: Cross multiply
    70,035.20x = 96,656.63 × 38,993.57
  4. Step 4: Simplify right side
    70,035.20x = 3,768,987,067.87
  5. Step 5: Solve for x
    x = 3,768,987,067.87/70,035.20
  6. Step 6: Final answer
    x = 53,815.61

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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.