Home / 109,475.96-151,063.99-61,726.46

Finding the Fourth Proportional to 109,475.96, 151,063.99 and 61,726.46

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Solution

The fourth proportional to 109,475.96, 151,063.99 and 61,726.46 is: 85,175.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,475.96 : 151,063.99 = 61,726.46 : x
  2. Step 2: Convert to fraction form
    109,475.96/151,063.99 = 61,726.46/x
  3. Step 3: Cross multiply
    109,475.96x = 151,063.99 × 61,726.46
  4. Step 4: Simplify right side
    109,475.96x = 9,324,644,426.54
  5. Step 5: Solve for x
    x = 9,324,644,426.54/109,475.96
  6. Step 6: Final answer
    x = 85,175.27

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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.