Home / 105,295.13-158,016.50-60,860.75

Finding the Fourth Proportional to 105,295.13, 158,016.50 and 60,860.75

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Solution

The fourth proportional to 105,295.13, 158,016.50 and 60,860.75 is: 91,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,295.13 : 158,016.50 = 60,860.75 : x
  2. Step 2: Convert to fraction form
    105,295.13/158,016.50 = 60,860.75/x
  3. Step 3: Cross multiply
    105,295.13x = 158,016.50 × 60,860.75
  4. Step 4: Simplify right side
    105,295.13x = 9,617,001,607.99
  5. Step 5: Solve for x
    x = 9,617,001,607.99/105,295.13
  6. Step 6: Final answer
    x = 91,333.78

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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.