Home / 54,071.22-81,106.79-39,373.64

Finding the Fourth Proportional to 54,071.22, 81,106.79 and 39,373.64

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Solution

The fourth proportional to 54,071.22, 81,106.79 and 39,373.64 is: 59,060.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.22 : 81,106.79 = 39,373.64 : x
  2. Step 2: Convert to fraction form
    54,071.22/81,106.79 = 39,373.64/x
  3. Step 3: Cross multiply
    54,071.22x = 81,106.79 × 39,373.64
  4. Step 4: Simplify right side
    54,071.22x = 3,193,468,948.61
  5. Step 5: Solve for x
    x = 3,193,468,948.61/54,071.22
  6. Step 6: Final answer
    x = 59,060.42

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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.