Home / 52,584.21-78,876.54-13,141.38

Finding the Fourth Proportional to 52,584.21, 78,876.54 and 13,141.38

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Solution

The fourth proportional to 52,584.21, 78,876.54 and 13,141.38 is: 19,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,584.21 : 78,876.54 = 13,141.38 : x
  2. Step 2: Convert to fraction form
    52,584.21/78,876.54 = 13,141.38/x
  3. Step 3: Cross multiply
    52,584.21x = 78,876.54 × 13,141.38
  4. Step 4: Simplify right side
    52,584.21x = 1,036,546,585.23
  5. Step 5: Solve for x
    x = 1,036,546,585.23/52,584.21
  6. Step 6: Final answer
    x = 19,712.13

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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.