Home / 106,451.94-159,703.56-39,892.66

Finding the Fourth Proportional to 106,451.94, 159,703.56 and 39,892.66

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Solution

The fourth proportional to 106,451.94, 159,703.56 and 39,892.66 is: 59,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,451.94 : 159,703.56 = 39,892.66 : x
  2. Step 2: Convert to fraction form
    106,451.94/159,703.56 = 39,892.66/x
  3. Step 3: Cross multiply
    106,451.94x = 159,703.56 × 39,892.66
  4. Step 4: Simplify right side
    106,451.94x = 6,370,999,420.61
  5. Step 5: Solve for x
    x = 6,370,999,420.61/106,451.94
  6. Step 6: Final answer
    x = 59,848.60

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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.