Home / 107,726.74-161,371.40-54,385.82

Finding the Fourth Proportional to 107,726.74, 161,371.40 and 54,385.82

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Solution

The fourth proportional to 107,726.74, 161,371.40 and 54,385.82 is: 81,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,726.74 : 161,371.40 = 54,385.82 : x
  2. Step 2: Convert to fraction form
    107,726.74/161,371.40 = 54,385.82/x
  3. Step 3: Cross multiply
    107,726.74x = 161,371.40 × 54,385.82
  4. Step 4: Simplify right side
    107,726.74x = 8,776,315,913.55
  5. Step 5: Solve for x
    x = 8,776,315,913.55/107,726.74
  6. Step 6: Final answer
    x = 81,468.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.