Home / 52,352.12-78,482.82-21,167.12

Finding the Fourth Proportional to 52,352.12, 78,482.82 and 21,167.12

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Solution

The fourth proportional to 52,352.12, 78,482.82 and 21,167.12 is: 31,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352.12 : 78,482.82 = 21,167.12 : x
  2. Step 2: Convert to fraction form
    52,352.12/78,482.82 = 21,167.12/x
  3. Step 3: Cross multiply
    52,352.12x = 78,482.82 × 21,167.12
  4. Step 4: Simplify right side
    52,352.12x = 1,661,255,268.88
  5. Step 5: Solve for x
    x = 1,661,255,268.88/52,352.12
  6. Step 6: Final answer
    x = 31,732.34

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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.