Home / 76,083.39-114,125.13-59,418.45

Finding the Fourth Proportional to 76,083.39, 114,125.13 and 59,418.45

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Solution

The fourth proportional to 76,083.39, 114,125.13 and 59,418.45 is: 89,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,083.39 : 114,125.13 = 59,418.45 : x
  2. Step 2: Convert to fraction form
    76,083.39/114,125.13 = 59,418.45/x
  3. Step 3: Cross multiply
    76,083.39x = 114,125.13 × 59,418.45
  4. Step 4: Simplify right side
    76,083.39x = 6,781,138,330.65
  5. Step 5: Solve for x
    x = 6,781,138,330.65/76,083.39
  6. Step 6: Final answer
    x = 89,127.71

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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.