Home / 52,172.88-78,268.35-17,100.66

Finding the Fourth Proportional to 52,172.88, 78,268.35 and 17,100.66

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Solution

The fourth proportional to 52,172.88, 78,268.35 and 17,100.66 is: 25,653.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.88 : 78,268.35 = 17,100.66 : x
  2. Step 2: Convert to fraction form
    52,172.88/78,268.35 = 17,100.66/x
  3. Step 3: Cross multiply
    52,172.88x = 78,268.35 × 17,100.66
  4. Step 4: Simplify right side
    52,172.88x = 1,338,440,442.11
  5. Step 5: Solve for x
    x = 1,338,440,442.11/52,172.88
  6. Step 6: Final answer
    x = 25,653.95

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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.