Home / 114,972.80-172,458.88-36,087.36

Finding the Fourth Proportional to 114,972.80, 172,458.88 and 36,087.36

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Solution

The fourth proportional to 114,972.80, 172,458.88 and 36,087.36 is: 54,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,972.80 : 172,458.88 = 36,087.36 : x
  2. Step 2: Convert to fraction form
    114,972.80/172,458.88 = 36,087.36/x
  3. Step 3: Cross multiply
    114,972.80x = 172,458.88 × 36,087.36
  4. Step 4: Simplify right side
    114,972.80x = 6,223,585,687.76
  5. Step 5: Solve for x
    x = 6,223,585,687.76/114,972.80
  6. Step 6: Final answer
    x = 54,130.94

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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.