Home / 109,726.92-151,426.26-61,982.28

Finding the Fourth Proportional to 109,726.92, 151,426.26 and 61,982.28

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Solution

The fourth proportional to 109,726.92, 151,426.26 and 61,982.28 is: 85,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,726.92 : 151,426.26 = 61,982.28 : x
  2. Step 2: Convert to fraction form
    109,726.92/151,426.26 = 61,982.28/x
  3. Step 3: Cross multiply
    109,726.92x = 151,426.26 × 61,982.28
  4. Step 4: Simplify right side
    109,726.92x = 9,385,744,846.67
  5. Step 5: Solve for x
    x = 9,385,744,846.67/109,726.92
  6. Step 6: Final answer
    x = 85,537.30

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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.