Home / 107,721.72-161,656.38-37,601.04

Finding the Fourth Proportional to 107,721.72, 161,656.38 and 37,601.04

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Solution

The fourth proportional to 107,721.72, 161,656.38 and 37,601.04 is: 56,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,721.72 : 161,656.38 = 37,601.04 : x
  2. Step 2: Convert to fraction form
    107,721.72/161,656.38 = 37,601.04/x
  3. Step 3: Cross multiply
    107,721.72x = 161,656.38 × 37,601.04
  4. Step 4: Simplify right side
    107,721.72x = 6,078,448,010.64
  5. Step 5: Solve for x
    x = 6,078,448,010.64/107,721.72
  6. Step 6: Final answer
    x = 56,427.32

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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.