Home / 53,212.31-79,823.07-15,261.75

Finding the Fourth Proportional to 53,212.31, 79,823.07 and 15,261.75

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Solution

The fourth proportional to 53,212.31, 79,823.07 and 15,261.75 is: 22,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,212.31 : 79,823.07 = 15,261.75 : x
  2. Step 2: Convert to fraction form
    53,212.31/79,823.07 = 15,261.75/x
  3. Step 3: Cross multiply
    53,212.31x = 79,823.07 × 15,261.75
  4. Step 4: Simplify right side
    53,212.31x = 1,218,239,738.57
  5. Step 5: Solve for x
    x = 1,218,239,738.57/53,212.31
  6. Step 6: Final answer
    x = 22,893.95

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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.