Home / 69,958.20-96,542.41-38,127.10

Finding the Fourth Proportional to 69,958.20, 96,542.41 and 38,127.10

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Solution

The fourth proportional to 69,958.20, 96,542.41 and 38,127.10 is: 52,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,958.20 : 96,542.41 = 38,127.10 : x
  2. Step 2: Convert to fraction form
    69,958.20/96,542.41 = 38,127.10/x
  3. Step 3: Cross multiply
    69,958.20x = 96,542.41 × 38,127.10
  4. Step 4: Simplify right side
    69,958.20x = 3,680,881,981.67
  5. Step 5: Solve for x
    x = 3,680,881,981.67/69,958.20
  6. Step 6: Final answer
    x = 52,615.45

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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.