Home / 108,027.72-149,077.98-60,280.56

Finding the Fourth Proportional to 108,027.72, 149,077.98 and 60,280.56

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Solution

The fourth proportional to 108,027.72, 149,077.98 and 60,280.56 is: 83,187.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,027.72 : 149,077.98 = 60,280.56 : x
  2. Step 2: Convert to fraction form
    108,027.72/149,077.98 = 60,280.56/x
  3. Step 3: Cross multiply
    108,027.72x = 149,077.98 × 60,280.56
  4. Step 4: Simplify right side
    108,027.72x = 8,986,504,118.07
  5. Step 5: Solve for x
    x = 8,986,504,118.07/108,027.72
  6. Step 6: Final answer
    x = 83,187.02

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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.