Home / 61,128.11-84,356.73-34,270.62

Finding the Fourth Proportional to 61,128.11, 84,356.73 and 34,270.62

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Solution

The fourth proportional to 61,128.11, 84,356.73 and 34,270.62 is: 47,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128.11 : 84,356.73 = 34,270.62 : x
  2. Step 2: Convert to fraction form
    61,128.11/84,356.73 = 34,270.62/x
  3. Step 3: Cross multiply
    61,128.11x = 84,356.73 × 34,270.62
  4. Step 4: Simplify right side
    61,128.11x = 2,890,957,438.27
  5. Step 5: Solve for x
    x = 2,890,957,438.27/61,128.11
  6. Step 6: Final answer
    x = 47,293.42

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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.