Home / 108,725.19-150,048.25-60,981.61

Finding the Fourth Proportional to 108,725.19, 150,048.25 and 60,981.61

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Solution

The fourth proportional to 108,725.19, 150,048.25 and 60,981.61 is: 84,158.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,725.19 : 150,048.25 = 60,981.61 : x
  2. Step 2: Convert to fraction form
    108,725.19/150,048.25 = 60,981.61/x
  3. Step 3: Cross multiply
    108,725.19x = 150,048.25 × 60,981.61
  4. Step 4: Simplify right side
    108,725.19x = 9,150,183,616.45
  5. Step 5: Solve for x
    x = 9,150,183,616.45/108,725.19
  6. Step 6: Final answer
    x = 84,158.82

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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.