Home / 105,990.43-146,274.93-60,682.62

Finding the Fourth Proportional to 105,990.43, 146,274.93 and 60,682.62

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Solution

The fourth proportional to 105,990.43, 146,274.93 and 60,682.62 is: 83,746.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,990.43 : 146,274.93 = 60,682.62 : x
  2. Step 2: Convert to fraction form
    105,990.43/146,274.93 = 60,682.62/x
  3. Step 3: Cross multiply
    105,990.43x = 146,274.93 × 60,682.62
  4. Step 4: Simplify right side
    105,990.43x = 8,876,346,541.25
  5. Step 5: Solve for x
    x = 8,876,346,541.25/105,990.43
  6. Step 6: Final answer
    x = 83,746.68

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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.