Home / 54,850.08-75,691.80-30,975.96

Finding the Fourth Proportional to 54,850.08, 75,691.80 and 30,975.96

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Solution

The fourth proportional to 54,850.08, 75,691.80 and 30,975.96 is: 42,746.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,850.08 : 75,691.80 = 30,975.96 : x
  2. Step 2: Convert to fraction form
    54,850.08/75,691.80 = 30,975.96/x
  3. Step 3: Cross multiply
    54,850.08x = 75,691.80 × 30,975.96
  4. Step 4: Simplify right side
    54,850.08x = 2,344,626,169.13
  5. Step 5: Solve for x
    x = 2,344,626,169.13/54,850.08
  6. Step 6: Final answer
    x = 42,746.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.