Home / 105,810.69-146,022.97-58,065.75

Finding the Fourth Proportional to 105,810.69, 146,022.97 and 58,065.75

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Solution

The fourth proportional to 105,810.69, 146,022.97 and 58,065.75 is: 80,133.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,810.69 : 146,022.97 = 58,065.75 : x
  2. Step 2: Convert to fraction form
    105,810.69/146,022.97 = 58,065.75/x
  3. Step 3: Cross multiply
    105,810.69x = 146,022.97 × 58,065.75
  4. Step 4: Simplify right side
    105,810.69x = 8,478,933,270.28
  5. Step 5: Solve for x
    x = 8,478,933,270.28/105,810.69
  6. Step 6: Final answer
    x = 80,133.05

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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.