Home / 83,536.82-115,270.19-47,729.15

Finding the Fourth Proportional to 83,536.82, 115,270.19 and 47,729.15

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Solution

The fourth proportional to 83,536.82, 115,270.19 and 47,729.15 is: 65,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,536.82 : 115,270.19 = 47,729.15 : x
  2. Step 2: Convert to fraction form
    83,536.82/115,270.19 = 47,729.15/x
  3. Step 3: Cross multiply
    83,536.82x = 115,270.19 × 47,729.15
  4. Step 4: Simplify right side
    83,536.82x = 5,501,747,985.29
  5. Step 5: Solve for x
    x = 5,501,747,985.29/83,536.82
  6. Step 6: Final answer
    x = 65,860.16

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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.