Home / 99,127.97-148,721.12-39,933.17

Finding the Fourth Proportional to 99,127.97, 148,721.12 and 39,933.17

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Solution

The fourth proportional to 99,127.97, 148,721.12 and 39,933.17 is: 59,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,127.97 : 148,721.12 = 39,933.17 : x
  2. Step 2: Convert to fraction form
    99,127.97/148,721.12 = 39,933.17/x
  3. Step 3: Cross multiply
    99,127.97x = 148,721.12 × 39,933.17
  4. Step 4: Simplify right side
    99,127.97x = 5,938,904,824.28
  5. Step 5: Solve for x
    x = 5,938,904,824.28/99,127.97
  6. Step 6: Final answer
    x = 59,911.50

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1.5x scale

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.