Home / 48,435.94-72,653.79-13,375.49

Finding the Fourth Proportional to 48,435.94, 72,653.79 and 13,375.49

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Solution

The fourth proportional to 48,435.94, 72,653.79 and 13,375.49 is: 20,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,435.94 : 72,653.79 = 13,375.49 : x
  2. Step 2: Convert to fraction form
    48,435.94/72,653.79 = 13,375.49/x
  3. Step 3: Cross multiply
    48,435.94x = 72,653.79 × 13,375.49
  4. Step 4: Simplify right side
    48,435.94x = 971,780,041.61
  5. Step 5: Solve for x
    x = 971,780,041.61/48,435.94
  6. Step 6: Final answer
    x = 20,063.20

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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.