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Finding the Fourth Proportional to 54,038.75, 80,892.02 and 46,067.13

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Solution

The fourth proportional to 54,038.75, 80,892.02 and 46,067.13 is: 68,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038.75 : 80,892.02 = 46,067.13 : x
  2. Step 2: Convert to fraction form
    54,038.75/80,892.02 = 46,067.13/x
  3. Step 3: Cross multiply
    54,038.75x = 80,892.02 × 46,067.13
  4. Step 4: Simplify right side
    54,038.75x = 3,726,463,316.47
  5. Step 5: Solve for x
    x = 3,726,463,316.47/54,038.75
  6. Step 6: Final answer
    x = 68,959.10

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1.5x scale

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.