Home / 97,780.94-134,939.78-59,542.14

Finding the Fourth Proportional to 97,780.94, 134,939.78 and 59,542.14

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Solution

The fourth proportional to 97,780.94, 134,939.78 and 59,542.14 is: 82,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,780.94 : 134,939.78 = 59,542.14 : x
  2. Step 2: Convert to fraction form
    97,780.94/134,939.78 = 59,542.14/x
  3. Step 3: Cross multiply
    97,780.94x = 134,939.78 × 59,542.14
  4. Step 4: Simplify right side
    97,780.94x = 8,034,603,272.33
  5. Step 5: Solve for x
    x = 8,034,603,272.33/97,780.94
  6. Step 6: Final answer
    x = 82,169.42

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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.