Home / 89,803.17-134,757.27-49,855.80

Finding the Fourth Proportional to 89,803.17, 134,757.27 and 49,855.80

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Solution

The fourth proportional to 89,803.17, 134,757.27 and 49,855.80 is: 74,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,803.17 : 134,757.27 = 49,855.80 : x
  2. Step 2: Convert to fraction form
    89,803.17/134,757.27 = 49,855.80/x
  3. Step 3: Cross multiply
    89,803.17x = 134,757.27 × 49,855.80
  4. Step 4: Simplify right side
    89,803.17x = 6,718,431,501.67
  5. Step 5: Solve for x
    x = 6,718,431,501.67/89,803.17
  6. Step 6: Final answer
    x = 74,812.85

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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.