Home / 70,439.69-97,214.78-40,229.33

Finding the Fourth Proportional to 70,439.69, 97,214.78 and 40,229.33

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Solution

The fourth proportional to 70,439.69, 97,214.78 and 40,229.33 is: 55,521.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439.69 : 97,214.78 = 40,229.33 : x
  2. Step 2: Convert to fraction form
    70,439.69/97,214.78 = 40,229.33/x
  3. Step 3: Cross multiply
    70,439.69x = 97,214.78 × 40,229.33
  4. Step 4: Simplify right side
    70,439.69x = 3,910,885,080.00
  5. Step 5: Solve for x
    x = 3,910,885,080.00/70,439.69
  6. Step 6: Final answer
    x = 55,521.04

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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.