Home / 52,954.56-79,431.30-13,511.25

Finding the Fourth Proportional to 52,954.56, 79,431.30 and 13,511.25

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Solution

The fourth proportional to 52,954.56, 79,431.30 and 13,511.25 is: 20,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,954.56 : 79,431.30 = 13,511.25 : x
  2. Step 2: Convert to fraction form
    52,954.56/79,431.30 = 13,511.25/x
  3. Step 3: Cross multiply
    52,954.56x = 79,431.30 × 13,511.25
  4. Step 4: Simplify right side
    52,954.56x = 1,073,216,152.13
  5. Step 5: Solve for x
    x = 1,073,216,152.13/52,954.56
  6. Step 6: Final answer
    x = 20,266.74

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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.