Home / 53,376.52-80,064.78-13,933.30

Finding the Fourth Proportional to 53,376.52, 80,064.78 and 13,933.30

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Solution

The fourth proportional to 53,376.52, 80,064.78 and 13,933.30 is: 20,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,376.52 : 80,064.78 = 13,933.30 : x
  2. Step 2: Convert to fraction form
    53,376.52/80,064.78 = 13,933.30/x
  3. Step 3: Cross multiply
    53,376.52x = 80,064.78 × 13,933.30
  4. Step 4: Simplify right side
    53,376.52x = 1,115,566,599.17
  5. Step 5: Solve for x
    x = 1,115,566,599.17/53,376.52
  6. Step 6: Final answer
    x = 20,899.95

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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.