Home / 71,133.10-98,165.66-39,304.05

Finding the Fourth Proportional to 71,133.10, 98,165.66 and 39,304.05

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Solution

The fourth proportional to 71,133.10, 98,165.66 and 39,304.05 is: 54,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,133.10 : 98,165.66 = 39,304.05 : x
  2. Step 2: Convert to fraction form
    71,133.10/98,165.66 = 39,304.05/x
  3. Step 3: Cross multiply
    71,133.10x = 98,165.66 × 39,304.05
  4. Step 4: Simplify right side
    71,133.10x = 3,858,307,444.28
  5. Step 5: Solve for x
    x = 3,858,307,444.28/71,133.10
  6. Step 6: Final answer
    x = 54,240.68

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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.