Home / 54,970.14-82,471.62-38,990.46

Finding the Fourth Proportional to 54,970.14, 82,471.62 and 38,990.46

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Solution

The fourth proportional to 54,970.14, 82,471.62 and 38,990.46 is: 58,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.14 : 82,471.62 = 38,990.46 : x
  2. Step 2: Convert to fraction form
    54,970.14/82,471.62 = 38,990.46/x
  3. Step 3: Cross multiply
    54,970.14x = 82,471.62 × 38,990.46
  4. Step 4: Simplify right side
    54,970.14x = 3,215,606,400.75
  5. Step 5: Solve for x
    x = 3,215,606,400.75/54,970.14
  6. Step 6: Final answer
    x = 58,497.33

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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.