Home / 109,982.68-151,776.22-59,681.68

Finding the Fourth Proportional to 109,982.68, 151,776.22 and 59,681.68

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Solution

The fourth proportional to 109,982.68, 151,776.22 and 59,681.68 is: 82,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.68 : 151,776.22 = 59,681.68 : x
  2. Step 2: Convert to fraction form
    109,982.68/151,776.22 = 59,681.68/x
  3. Step 3: Cross multiply
    109,982.68x = 151,776.22 × 59,681.68
  4. Step 4: Simplify right side
    109,982.68x = 9,058,259,793.65
  5. Step 5: Solve for x
    x = 9,058,259,793.65/109,982.68
  6. Step 6: Final answer
    x = 82,360.78

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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.