Home / 83,605.06-115,376.97-47,798.43

Finding the Fourth Proportional to 83,605.06, 115,376.97 and 47,798.43

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Solution

The fourth proportional to 83,605.06, 115,376.97 and 47,798.43 is: 65,962.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,605.06 : 115,376.97 = 47,798.43 : x
  2. Step 2: Convert to fraction form
    83,605.06/115,376.97 = 47,798.43/x
  3. Step 3: Cross multiply
    83,605.06x = 115,376.97 × 47,798.43
  4. Step 4: Simplify right side
    83,605.06x = 5,514,838,024.16
  5. Step 5: Solve for x
    x = 5,514,838,024.16/83,605.06
  6. Step 6: Final answer
    x = 65,962.97

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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.