Home / 70,919.70-97,869.78-39,088.68

Finding the Fourth Proportional to 70,919.70, 97,869.78 and 39,088.68

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Solution

The fourth proportional to 70,919.70, 97,869.78 and 39,088.68 is: 53,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,919.70 : 97,869.78 = 39,088.68 : x
  2. Step 2: Convert to fraction form
    70,919.70/97,869.78 = 39,088.68/x
  3. Step 3: Cross multiply
    70,919.70x = 97,869.78 × 39,088.68
  4. Step 4: Simplify right side
    70,919.70x = 3,825,600,512.09
  5. Step 5: Solve for x
    x = 3,825,600,512.09/70,919.70
  6. Step 6: Final answer
    x = 53,942.71

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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.