Home / 54,987.39-82,434.92-38,298.15

Finding the Fourth Proportional to 54,987.39, 82,434.92 and 38,298.15

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Solution

The fourth proportional to 54,987.39, 82,434.92 and 38,298.15 is: 57,415.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.39 : 82,434.92 = 38,298.15 : x
  2. Step 2: Convert to fraction form
    54,987.39/82,434.92 = 38,298.15/x
  3. Step 3: Cross multiply
    54,987.39x = 82,434.92 × 38,298.15
  4. Step 4: Simplify right side
    54,987.39x = 3,157,104,739.91
  5. Step 5: Solve for x
    x = 3,157,104,739.91/54,987.39
  6. Step 6: Final answer
    x = 57,415.07

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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.