Home / 53,086.19-79,616.53-15,636.15

Finding the Fourth Proportional to 53,086.19, 79,616.53 and 15,636.15

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Solution

The fourth proportional to 53,086.19, 79,616.53 and 15,636.15 is: 23,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,086.19 : 79,616.53 = 15,636.15 : x
  2. Step 2: Convert to fraction form
    53,086.19/79,616.53 = 15,636.15/x
  3. Step 3: Cross multiply
    53,086.19x = 79,616.53 × 15,636.15
  4. Step 4: Simplify right side
    53,086.19x = 1,244,895,529.30
  5. Step 5: Solve for x
    x = 1,244,895,529.30/53,086.19
  6. Step 6: Final answer
    x = 23,450.46

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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.