Home / 48,610.64-72,907.72-13,542.08

Finding the Fourth Proportional to 48,610.64, 72,907.72 and 13,542.08

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Solution

The fourth proportional to 48,610.64, 72,907.72 and 13,542.08 is: 20,310.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,610.64 : 72,907.72 = 13,542.08 : x
  2. Step 2: Convert to fraction form
    48,610.64/72,907.72 = 13,542.08/x
  3. Step 3: Cross multiply
    48,610.64x = 72,907.72 × 13,542.08
  4. Step 4: Simplify right side
    48,610.64x = 987,322,176.86
  5. Step 5: Solve for x
    x = 987,322,176.86/48,610.64
  6. Step 6: Final answer
    x = 20,310.82

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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.