Home / 89,678.58-134,588.91-50,228.34

Finding the Fourth Proportional to 89,678.58, 134,588.91 and 50,228.34

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Solution

The fourth proportional to 89,678.58, 134,588.91 and 50,228.34 is: 75,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,678.58 : 134,588.91 = 50,228.34 : x
  2. Step 2: Convert to fraction form
    89,678.58/134,588.91 = 50,228.34/x
  3. Step 3: Cross multiply
    89,678.58x = 134,588.91 × 50,228.34
  4. Step 4: Simplify right side
    89,678.58x = 6,760,177,531.71
  5. Step 5: Solve for x
    x = 6,760,177,531.71/89,678.58
  6. Step 6: Final answer
    x = 75,382.30

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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.