Home / 89,757.12-134,636-27,427.36

Finding the Fourth Proportional to 89,757.12, 134,636 and 27,427.36

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Solution

The fourth proportional to 89,757.12, 134,636 and 27,427.36 is: 41,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,757.12 : 134,636 = 27,427.36 : x
  2. Step 2: Convert to fraction form
    89,757.12/134,636 = 27,427.36/x
  3. Step 3: Cross multiply
    89,757.12x = 134,636 × 27,427.36
  4. Step 4: Simplify right side
    89,757.12x = 3,692,710,040.96
  5. Step 5: Solve for x
    x = 3,692,710,040.96/89,757.12
  6. Step 6: Final answer
    x = 41,141.14

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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.