Home / 54,705.15-82,071.57-15,262.25

Finding the Fourth Proportional to 54,705.15, 82,071.57 and 15,262.25

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Solution

The fourth proportional to 54,705.15, 82,071.57 and 15,262.25 is: 22,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.15 : 82,071.57 = 15,262.25 : x
  2. Step 2: Convert to fraction form
    54,705.15/82,071.57 = 15,262.25/x
  3. Step 3: Cross multiply
    54,705.15x = 82,071.57 × 15,262.25
  4. Step 4: Simplify right side
    54,705.15x = 1,252,596,575.90
  5. Step 5: Solve for x
    x = 1,252,596,575.90/54,705.15
  6. Step 6: Final answer
    x = 22,897.23

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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.