Home / 70,091.14-96,722.40-39,873.62

Finding the Fourth Proportional to 70,091.14, 96,722.40 and 39,873.62

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Solution

The fourth proportional to 70,091.14, 96,722.40 and 39,873.62 is: 55,023.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,091.14 : 96,722.40 = 39,873.62 : x
  2. Step 2: Convert to fraction form
    70,091.14/96,722.40 = 39,873.62/x
  3. Step 3: Cross multiply
    70,091.14x = 96,722.40 × 39,873.62
  4. Step 4: Simplify right side
    70,091.14x = 3,856,672,223.09
  5. Step 5: Solve for x
    x = 3,856,672,223.09/70,091.14
  6. Step 6: Final answer
    x = 55,023.68

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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.