Home / 54,975.64-82,507.18-19,925.32

Finding the Fourth Proportional to 54,975.64, 82,507.18 and 19,925.32

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Solution

The fourth proportional to 54,975.64, 82,507.18 and 19,925.32 is: 29,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.64 : 82,507.18 = 19,925.32 : x
  2. Step 2: Convert to fraction form
    54,975.64/82,507.18 = 19,925.32/x
  3. Step 3: Cross multiply
    54,975.64x = 82,507.18 × 19,925.32
  4. Step 4: Simplify right side
    54,975.64x = 1,643,981,963.80
  5. Step 5: Solve for x
    x = 1,643,981,963.80/54,975.64
  6. Step 6: Final answer
    x = 29,903.83

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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.