Home / 106,786.27-147,351.85-59,040.55

Finding the Fourth Proportional to 106,786.27, 147,351.85 and 59,040.55

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Solution

The fourth proportional to 106,786.27, 147,351.85 and 59,040.55 is: 81,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,786.27 : 147,351.85 = 59,040.55 : x
  2. Step 2: Convert to fraction form
    106,786.27/147,351.85 = 59,040.55/x
  3. Step 3: Cross multiply
    106,786.27x = 147,351.85 × 59,040.55
  4. Step 4: Simplify right side
    106,786.27x = 8,699,734,267.52
  5. Step 5: Solve for x
    x = 8,699,734,267.52/106,786.27
  6. Step 6: Final answer
    x = 81,468.66

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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.