Home / 107,541.28-161,311.38-27,578.89

Finding the Fourth Proportional to 107,541.28, 161,311.38 and 27,578.89

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Solution

The fourth proportional to 107,541.28, 161,311.38 and 27,578.89 is: 41,368.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,541.28 : 161,311.38 = 27,578.89 : x
  2. Step 2: Convert to fraction form
    107,541.28/161,311.38 = 27,578.89/x
  3. Step 3: Cross multiply
    107,541.28x = 161,311.38 × 27,578.89
  4. Step 4: Simplify right side
    107,541.28x = 4,448,788,804.77
  5. Step 5: Solve for x
    x = 4,448,788,804.77/107,541.28
  6. Step 6: Final answer
    x = 41,368.20

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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.