Home / 108,101.08-149,179.78-60,356.14

Finding the Fourth Proportional to 108,101.08, 149,179.78 and 60,356.14

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Solution

The fourth proportional to 108,101.08, 149,179.78 and 60,356.14 is: 83,291.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,101.08 : 149,179.78 = 60,356.14 : x
  2. Step 2: Convert to fraction form
    108,101.08/149,179.78 = 60,356.14/x
  3. Step 3: Cross multiply
    108,101.08x = 149,179.78 × 60,356.14
  4. Step 4: Simplify right side
    108,101.08x = 9,003,915,049.84
  5. Step 5: Solve for x
    x = 9,003,915,049.84/108,101.08
  6. Step 6: Final answer
    x = 83,291.63

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1.5x scale

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.