Home / 105,990.74-146,260.33-60,669.08

Finding the Fourth Proportional to 105,990.74, 146,260.33 and 60,669.08

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Solution

The fourth proportional to 105,990.74, 146,260.33 and 60,669.08 is: 83,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,990.74 : 146,260.33 = 60,669.08 : x
  2. Step 2: Convert to fraction form
    105,990.74/146,260.33 = 60,669.08/x
  3. Step 3: Cross multiply
    105,990.74x = 146,260.33 × 60,669.08
  4. Step 4: Simplify right side
    105,990.74x = 8,873,478,930.29
  5. Step 5: Solve for x
    x = 8,873,478,930.29/105,990.74
  6. Step 6: Final answer
    x = 83,719.38

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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.