Home / 89,977.33-135,047.85-47,892.79

Finding the Fourth Proportional to 89,977.33, 135,047.85 and 47,892.79

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Solution

The fourth proportional to 89,977.33, 135,047.85 and 47,892.79 is: 71,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,977.33 : 135,047.85 = 47,892.79 : x
  2. Step 2: Convert to fraction form
    89,977.33/135,047.85 = 47,892.79/x
  3. Step 3: Cross multiply
    89,977.33x = 135,047.85 × 47,892.79
  4. Step 4: Simplify right side
    89,977.33x = 6,467,818,320.00
  5. Step 5: Solve for x
    x = 6,467,818,320.00/89,977.33
  6. Step 6: Final answer
    x = 71,882.75

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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.