Home / 53,124.12-79,694.36-18,055.56

Finding the Fourth Proportional to 53,124.12, 79,694.36 and 18,055.56

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Solution

The fourth proportional to 53,124.12, 79,694.36 and 18,055.56 is: 27,086.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,124.12 : 79,694.36 = 18,055.56 : x
  2. Step 2: Convert to fraction form
    53,124.12/79,694.36 = 18,055.56/x
  3. Step 3: Cross multiply
    53,124.12x = 79,694.36 × 18,055.56
  4. Step 4: Simplify right side
    53,124.12x = 1,438,926,298.64
  5. Step 5: Solve for x
    x = 1,438,926,298.64/53,124.12
  6. Step 6: Final answer
    x = 27,086.12

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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.