Home / 70,982.66-97,948.29-39,149.54

Finding the Fourth Proportional to 70,982.66, 97,948.29 and 39,149.54

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Solution

The fourth proportional to 70,982.66, 97,948.29 and 39,149.54 is: 54,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.66 : 97,948.29 = 39,149.54 : x
  2. Step 2: Convert to fraction form
    70,982.66/97,948.29 = 39,149.54/x
  3. Step 3: Cross multiply
    70,982.66x = 97,948.29 × 39,149.54
  4. Step 4: Simplify right side
    70,982.66x = 3,834,630,497.29
  5. Step 5: Solve for x
    x = 3,834,630,497.29/70,982.66
  6. Step 6: Final answer
    x = 54,022.07

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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.