Home / 54,667.78-75,442.99-30,793.03

Finding the Fourth Proportional to 54,667.78, 75,442.99 and 30,793.03

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Solution

The fourth proportional to 54,667.78, 75,442.99 and 30,793.03 is: 42,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,667.78 : 75,442.99 = 30,793.03 : x
  2. Step 2: Convert to fraction form
    54,667.78/75,442.99 = 30,793.03/x
  3. Step 3: Cross multiply
    54,667.78x = 75,442.99 × 30,793.03
  4. Step 4: Simplify right side
    54,667.78x = 2,323,117,877.14
  5. Step 5: Solve for x
    x = 2,323,117,877.14/54,667.78
  6. Step 6: Final answer
    x = 42,495.20

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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.