Home / 53,268.08-79,905.12-13,824.14

Finding the Fourth Proportional to 53,268.08, 79,905.12 and 13,824.14

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Solution

The fourth proportional to 53,268.08, 79,905.12 and 13,824.14 is: 20,736.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,268.08 : 79,905.12 = 13,824.14 : x
  2. Step 2: Convert to fraction form
    53,268.08/79,905.12 = 13,824.14/x
  3. Step 3: Cross multiply
    53,268.08x = 79,905.12 × 13,824.14
  4. Step 4: Simplify right side
    53,268.08x = 1,104,619,565.60
  5. Step 5: Solve for x
    x = 1,104,619,565.60/53,268.08
  6. Step 6: Final answer
    x = 20,736.99

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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.