Home / 105,991.44-146,261.28-60,669.76

Finding the Fourth Proportional to 105,991.44, 146,261.28 and 60,669.76

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Solution

The fourth proportional to 105,991.44, 146,261.28 and 60,669.76 is: 83,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,991.44 : 146,261.28 = 60,669.76 : x
  2. Step 2: Convert to fraction form
    105,991.44/146,261.28 = 60,669.76/x
  3. Step 3: Cross multiply
    105,991.44x = 146,261.28 × 60,669.76
  4. Step 4: Simplify right side
    105,991.44x = 8,873,636,754.89
  5. Step 5: Solve for x
    x = 8,873,636,754.89/105,991.44
  6. Step 6: Final answer
    x = 83,720.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.