Home / 54,000.04-74,548.07-39,447.88

Finding the Fourth Proportional to 54,000.04, 74,548.07 and 39,447.88

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Solution

The fourth proportional to 54,000.04, 74,548.07 and 39,447.88 is: 54,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,000.04 : 74,548.07 = 39,447.88 : x
  2. Step 2: Convert to fraction form
    54,000.04/74,548.07 = 39,447.88/x
  3. Step 3: Cross multiply
    54,000.04x = 74,548.07 × 39,447.88
  4. Step 4: Simplify right side
    54,000.04x = 2,940,763,363.47
  5. Step 5: Solve for x
    x = 2,940,763,363.47/54,000.04
  6. Step 6: Final answer
    x = 54,458.54

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1.5x scale

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.