Home / 87,935.95-131,903.97-61,757.56

Finding the Fourth Proportional to 87,935.95, 131,903.97 and 61,757.56

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Solution

The fourth proportional to 87,935.95, 131,903.97 and 61,757.56 is: 92,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.95 : 131,903.97 = 61,757.56 : x
  2. Step 2: Convert to fraction form
    87,935.95/131,903.97 = 61,757.56/x
  3. Step 3: Cross multiply
    87,935.95x = 131,903.97 × 61,757.56
  4. Step 4: Simplify right side
    87,935.95x = 8,146,066,681.99
  5. Step 5: Solve for x
    x = 8,146,066,681.99/87,935.95
  6. Step 6: Final answer
    x = 92,636.37

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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.