Home / 54,070.89-74,617.04-30,197.90

Finding the Fourth Proportional to 54,070.89, 74,617.04 and 30,197.90

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Solution

The fourth proportional to 54,070.89, 74,617.04 and 30,197.90 is: 41,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,070.89 : 74,617.04 = 30,197.90 : x
  2. Step 2: Convert to fraction form
    54,070.89/74,617.04 = 30,197.90/x
  3. Step 3: Cross multiply
    54,070.89x = 74,617.04 × 30,197.90
  4. Step 4: Simplify right side
    54,070.89x = 2,253,277,388.14
  5. Step 5: Solve for x
    x = 2,253,277,388.14/54,070.89
  6. Step 6: Final answer
    x = 41,672.65

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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.