Home / 106,939.92-147,570.66-59,190.42

Finding the Fourth Proportional to 106,939.92, 147,570.66 and 59,190.42

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Solution

The fourth proportional to 106,939.92, 147,570.66 and 59,190.42 is: 81,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,939.92 : 147,570.66 = 59,190.42 : x
  2. Step 2: Convert to fraction form
    106,939.92/147,570.66 = 59,190.42/x
  3. Step 3: Cross multiply
    106,939.92x = 147,570.66 × 59,190.42
  4. Step 4: Simplify right side
    106,939.92x = 8,734,769,345.08
  5. Step 5: Solve for x
    x = 8,734,769,345.08/106,939.92
  6. Step 6: Final answer
    x = 81,679.22

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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.