Home / 69,787.08-104,708.61-25,416.90

Finding the Fourth Proportional to 69,787.08, 104,708.61 and 25,416.90

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Solution

The fourth proportional to 69,787.08, 104,708.61 and 25,416.90 is: 38,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,787.08 : 104,708.61 = 25,416.90 : x
  2. Step 2: Convert to fraction form
    69,787.08/104,708.61 = 25,416.90/x
  3. Step 3: Cross multiply
    69,787.08x = 104,708.61 × 25,416.90
  4. Step 4: Simplify right side
    69,787.08x = 2,661,368,269.51
  5. Step 5: Solve for x
    x = 2,661,368,269.51/69,787.08
  6. Step 6: Final answer
    x = 38,135.54

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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.