Home / 55,471.32-83,206.76-25,872.70

Finding the Fourth Proportional to 55,471.32, 83,206.76 and 25,872.70

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Solution

The fourth proportional to 55,471.32, 83,206.76 and 25,872.70 is: 38,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,471.32 : 83,206.76 = 25,872.70 : x
  2. Step 2: Convert to fraction form
    55,471.32/83,206.76 = 25,872.70/x
  3. Step 3: Cross multiply
    55,471.32x = 83,206.76 × 25,872.70
  4. Step 4: Simplify right side
    55,471.32x = 2,152,783,539.45
  5. Step 5: Solve for x
    x = 2,152,783,539.45/55,471.32
  6. Step 6: Final answer
    x = 38,808.95

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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.