Home / 107,381.97-161,060.45-28,502.33

Finding the Fourth Proportional to 107,381.97, 161,060.45 and 28,502.33

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Solution

The fourth proportional to 107,381.97, 161,060.45 and 28,502.33 is: 42,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,381.97 : 161,060.45 = 28,502.33 : x
  2. Step 2: Convert to fraction form
    107,381.97/161,060.45 = 28,502.33/x
  3. Step 3: Cross multiply
    107,381.97x = 161,060.45 × 28,502.33
  4. Step 4: Simplify right side
    107,381.97x = 4,590,597,148.03
  5. Step 5: Solve for x
    x = 4,590,597,148.03/107,381.97
  6. Step 6: Final answer
    x = 42,750.17

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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.