Home / 114,121.36-171,065.40-39,219.04

Finding the Fourth Proportional to 114,121.36, 171,065.40 and 39,219.04

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Solution

The fourth proportional to 114,121.36, 171,065.40 and 39,219.04 is: 58,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,121.36 : 171,065.40 = 39,219.04 : x
  2. Step 2: Convert to fraction form
    114,121.36/171,065.40 = 39,219.04/x
  3. Step 3: Cross multiply
    114,121.36x = 171,065.40 × 39,219.04
  4. Step 4: Simplify right side
    114,121.36x = 6,709,020,765.22
  5. Step 5: Solve for x
    x = 6,709,020,765.22/114,121.36
  6. Step 6: Final answer
    x = 58,788.48

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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.