Home / 124,067.28-186,106.68-39,830.88

Finding the Fourth Proportional to 124,067.28, 186,106.68 and 39,830.88

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Solution

The fourth proportional to 124,067.28, 186,106.68 and 39,830.88 is: 59,748.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,067.28 : 186,106.68 = 39,830.88 : x
  2. Step 2: Convert to fraction form
    124,067.28/186,106.68 = 39,830.88/x
  3. Step 3: Cross multiply
    124,067.28x = 186,106.68 × 39,830.88
  4. Step 4: Simplify right side
    124,067.28x = 7,412,792,838.28
  5. Step 5: Solve for x
    x = 7,412,792,838.28/124,067.28
  6. Step 6: Final answer
    x = 59,748.17

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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.