Home / 52,584.97-78,877.66-13,142.13

Finding the Fourth Proportional to 52,584.97, 78,877.66 and 13,142.13

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Solution

The fourth proportional to 52,584.97, 78,877.66 and 13,142.13 is: 19,713.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,584.97 : 78,877.66 = 13,142.13 : x
  2. Step 2: Convert to fraction form
    52,584.97/78,877.66 = 13,142.13/x
  3. Step 3: Cross multiply
    52,584.97x = 78,877.66 × 13,142.13
  4. Step 4: Simplify right side
    52,584.97x = 1,036,620,461.82
  5. Step 5: Solve for x
    x = 1,036,620,461.82/52,584.97
  6. Step 6: Final answer
    x = 19,713.25

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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.