Home / 53,106.14-79,651.52-15,664.36

Finding the Fourth Proportional to 53,106.14, 79,651.52 and 15,664.36

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Solution

The fourth proportional to 53,106.14, 79,651.52 and 15,664.36 is: 23,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,106.14 : 79,651.52 = 15,664.36 : x
  2. Step 2: Convert to fraction form
    53,106.14/79,651.52 = 15,664.36/x
  3. Step 3: Cross multiply
    53,106.14x = 79,651.52 × 15,664.36
  4. Step 4: Simplify right side
    53,106.14x = 1,247,690,282.96
  5. Step 5: Solve for x
    x = 1,247,690,282.96/53,106.14
  6. Step 6: Final answer
    x = 23,494.28

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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.