Home / 89,619.75-123,683.49-49,341.69

Finding the Fourth Proportional to 89,619.75, 123,683.49 and 49,341.69

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Solution

The fourth proportional to 89,619.75, 123,683.49 and 49,341.69 is: 68,096.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,619.75 : 123,683.49 = 49,341.69 : x
  2. Step 2: Convert to fraction form
    89,619.75/123,683.49 = 49,341.69/x
  3. Step 3: Cross multiply
    89,619.75x = 123,683.49 × 49,341.69
  4. Step 4: Simplify right side
    89,619.75x = 6,102,752,421.70
  5. Step 5: Solve for x
    x = 6,102,752,421.70/89,619.75
  6. Step 6: Final answer
    x = 68,096.07

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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.