Home / 108,979.86-150,388.65-60,581.55

Finding the Fourth Proportional to 108,979.86, 150,388.65 and 60,581.55

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Solution

The fourth proportional to 108,979.86, 150,388.65 and 60,581.55 is: 83,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,979.86 : 150,388.65 = 60,581.55 : x
  2. Step 2: Convert to fraction form
    108,979.86/150,388.65 = 60,581.55/x
  3. Step 3: Cross multiply
    108,979.86x = 150,388.65 × 60,581.55
  4. Step 4: Simplify right side
    108,979.86x = 9,110,777,519.41
  5. Step 5: Solve for x
    x = 9,110,777,519.41/108,979.86
  6. Step 6: Final answer
    x = 83,600.56

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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.