Home / 83,636.96-115,418.52-45,397.24

Finding the Fourth Proportional to 83,636.96, 115,418.52 and 45,397.24

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Solution

The fourth proportional to 83,636.96, 115,418.52 and 45,397.24 is: 62,647.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,636.96 : 115,418.52 = 45,397.24 : x
  2. Step 2: Convert to fraction form
    83,636.96/115,418.52 = 45,397.24/x
  3. Step 3: Cross multiply
    83,636.96x = 115,418.52 × 45,397.24
  4. Step 4: Simplify right side
    83,636.96x = 5,239,682,252.88
  5. Step 5: Solve for x
    x = 5,239,682,252.88/83,636.96
  6. Step 6: Final answer
    x = 62,647.93

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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.