Home / 52,061.73-78,091.89-12,619.19

Finding the Fourth Proportional to 52,061.73, 78,091.89 and 12,619.19

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Solution

The fourth proportional to 52,061.73, 78,091.89 and 12,619.19 is: 18,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,061.73 : 78,091.89 = 12,619.19 : x
  2. Step 2: Convert to fraction form
    52,061.73/78,091.89 = 12,619.19/x
  3. Step 3: Cross multiply
    52,061.73x = 78,091.89 × 12,619.19
  4. Step 4: Simplify right side
    52,061.73x = 985,456,006.91
  5. Step 5: Solve for x
    x = 985,456,006.91/52,061.73
  6. Step 6: Final answer
    x = 18,928.61

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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.