Home / 56,619.20-84,928.56-14,499.20

Finding the Fourth Proportional to 56,619.20, 84,928.56 and 14,499.20

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Solution

The fourth proportional to 56,619.20, 84,928.56 and 14,499.20 is: 21,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,619.20 : 84,928.56 = 14,499.20 : x
  2. Step 2: Convert to fraction form
    56,619.20/84,928.56 = 14,499.20/x
  3. Step 3: Cross multiply
    56,619.20x = 84,928.56 × 14,499.20
  4. Step 4: Simplify right side
    56,619.20x = 1,231,396,177.15
  5. Step 5: Solve for x
    x = 1,231,396,177.15/56,619.20
  6. Step 6: Final answer
    x = 21,748.74

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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.