Home / 70,028.70-96,639.48-38,197.62

Finding the Fourth Proportional to 70,028.70, 96,639.48 and 38,197.62

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Solution

The fourth proportional to 70,028.70, 96,639.48 and 38,197.62 is: 52,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.70 : 96,639.48 = 38,197.62 : x
  2. Step 2: Convert to fraction form
    70,028.70/96,639.48 = 38,197.62/x
  3. Step 3: Cross multiply
    70,028.70x = 96,639.48 × 38,197.62
  4. Step 4: Simplify right side
    70,028.70x = 3,691,398,134.04
  5. Step 5: Solve for x
    x = 3,691,398,134.04/70,028.70
  6. Step 6: Final answer
    x = 52,712.65

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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.