Home / 114,616.78-171,927.29-39,739.36

Finding the Fourth Proportional to 114,616.78, 171,927.29 and 39,739.36

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Solution

The fourth proportional to 114,616.78, 171,927.29 and 39,739.36 is: 59,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,616.78 : 171,927.29 = 39,739.36 : x
  2. Step 2: Convert to fraction form
    114,616.78/171,927.29 = 39,739.36/x
  3. Step 3: Cross multiply
    114,616.78x = 171,927.29 × 39,739.36
  4. Step 4: Simplify right side
    114,616.78x = 6,832,280,471.13
  5. Step 5: Solve for x
    x = 6,832,280,471.13/114,616.78
  6. Step 6: Final answer
    x = 59,609.78

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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.