Home / 61,640.14-92,470.76-19,519.43

Finding the Fourth Proportional to 61,640.14, 92,470.76 and 19,519.43

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Solution

The fourth proportional to 61,640.14, 92,470.76 and 19,519.43 is: 29,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,640.14 : 92,470.76 = 19,519.43 : x
  2. Step 2: Convert to fraction form
    61,640.14/92,470.76 = 19,519.43/x
  3. Step 3: Cross multiply
    61,640.14x = 92,470.76 × 19,519.43
  4. Step 4: Simplify right side
    61,640.14x = 1,804,976,670.06
  5. Step 5: Solve for x
    x = 1,804,976,670.06/61,640.14
  6. Step 6: Final answer
    x = 29,282.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.