Home / 89,678.08-134,588.16-50,227.84

Finding the Fourth Proportional to 89,678.08, 134,588.16 and 50,227.84

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Solution

The fourth proportional to 89,678.08, 134,588.16 and 50,227.84 is: 75,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,678.08 : 134,588.16 = 50,227.84 : x
  2. Step 2: Convert to fraction form
    89,678.08/134,588.16 = 50,227.84/x
  3. Step 3: Cross multiply
    89,678.08x = 134,588.16 × 50,227.84
  4. Step 4: Simplify right side
    89,678.08x = 6,760,072,566.37
  5. Step 5: Solve for x
    x = 6,760,072,566.37/89,678.08
  6. Step 6: Final answer
    x = 75,381.55

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1.5x scale

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.