Home / 108,078.12-149,132.58-60,324.84

Finding the Fourth Proportional to 108,078.12, 149,132.58 and 60,324.84

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Solution

The fourth proportional to 108,078.12, 149,132.58 and 60,324.84 is: 83,239.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,078.12 : 149,132.58 = 60,324.84 : x
  2. Step 2: Convert to fraction form
    108,078.12/149,132.58 = 60,324.84/x
  3. Step 3: Cross multiply
    108,078.12x = 149,132.58 × 60,324.84
  4. Step 4: Simplify right side
    108,078.12x = 8,996,399,027.29
  5. Step 5: Solve for x
    x = 8,996,399,027.29/108,078.12
  6. Step 6: Final answer
    x = 83,239.78

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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.