Home / 70,939.53-97,896.57-40,726.83

Finding the Fourth Proportional to 70,939.53, 97,896.57 and 40,726.83

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Solution

The fourth proportional to 70,939.53, 97,896.57 and 40,726.83 is: 56,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.53 : 97,896.57 = 40,726.83 : x
  2. Step 2: Convert to fraction form
    70,939.53/97,896.57 = 40,726.83/x
  3. Step 3: Cross multiply
    70,939.53x = 97,896.57 × 40,726.83
  4. Step 4: Simplify right side
    70,939.53x = 3,987,016,963.97
  5. Step 5: Solve for x
    x = 3,987,016,963.97/70,939.53
  6. Step 6: Final answer
    x = 56,203.04

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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.