Home / 70,067.16-96,691.86-38,236.32

Finding the Fourth Proportional to 70,067.16, 96,691.86 and 38,236.32

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Solution

The fourth proportional to 70,067.16, 96,691.86 and 38,236.32 is: 52,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,067.16 : 96,691.86 = 38,236.32 : x
  2. Step 2: Convert to fraction form
    70,067.16/96,691.86 = 38,236.32/x
  3. Step 3: Cross multiply
    70,067.16x = 96,691.86 × 38,236.32
  4. Step 4: Simplify right side
    70,067.16x = 3,697,140,900.36
  5. Step 5: Solve for x
    x = 3,697,140,900.36/70,067.16
  6. Step 6: Final answer
    x = 52,765.67

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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.