Home / 52,907.78-79,364.10-13,465.24

Finding the Fourth Proportional to 52,907.78, 79,364.10 and 13,465.24

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Solution

The fourth proportional to 52,907.78, 79,364.10 and 13,465.24 is: 20,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,907.78 : 79,364.10 = 13,465.24 : x
  2. Step 2: Convert to fraction form
    52,907.78/79,364.10 = 13,465.24/x
  3. Step 3: Cross multiply
    52,907.78x = 79,364.10 × 13,465.24
  4. Step 4: Simplify right side
    52,907.78x = 1,068,656,505.97
  5. Step 5: Solve for x
    x = 1,068,656,505.97/52,907.78
  6. Step 6: Final answer
    x = 20,198.47

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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.