Home / 89,186.11-123,077.81-50,950.71

Finding the Fourth Proportional to 89,186.11, 123,077.81 and 50,950.71

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Solution

The fourth proportional to 89,186.11, 123,077.81 and 50,950.71 is: 70,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.11 : 123,077.81 = 50,950.71 : x
  2. Step 2: Convert to fraction form
    89,186.11/123,077.81 = 50,950.71/x
  3. Step 3: Cross multiply
    89,186.11x = 123,077.81 × 50,950.71
  4. Step 4: Simplify right side
    89,186.11x = 6,270,901,932.12
  5. Step 5: Solve for x
    x = 6,270,901,932.12/89,186.11
  6. Step 6: Final answer
    x = 70,312.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.