Home / 74,124.88-111,192.28-26,087.78

Finding the Fourth Proportional to 74,124.88, 111,192.28 and 26,087.78

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Solution

The fourth proportional to 74,124.88, 111,192.28 and 26,087.78 is: 39,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124.88 : 111,192.28 = 26,087.78 : x
  2. Step 2: Convert to fraction form
    74,124.88/111,192.28 = 26,087.78/x
  3. Step 3: Cross multiply
    74,124.88x = 111,192.28 × 26,087.78
  4. Step 4: Simplify right side
    74,124.88x = 2,900,759,738.34
  5. Step 5: Solve for x
    x = 2,900,759,738.34/74,124.88
  6. Step 6: Final answer
    x = 39,133.42

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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.