Home / 54,447.93-75,135.47-30,575.61

Finding the Fourth Proportional to 54,447.93, 75,135.47 and 30,575.61

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Solution

The fourth proportional to 54,447.93, 75,135.47 and 30,575.61 is: 42,192.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,447.93 : 75,135.47 = 30,575.61 : x
  2. Step 2: Convert to fraction form
    54,447.93/75,135.47 = 30,575.61/x
  3. Step 3: Cross multiply
    54,447.93x = 75,135.47 × 30,575.61
  4. Step 4: Simplify right side
    54,447.93x = 2,297,312,675.01
  5. Step 5: Solve for x
    x = 2,297,312,675.01/54,447.93
  6. Step 6: Final answer
    x = 42,192.84

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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.