Home / 108,667.19-149,963.85-60,921.33

Finding the Fourth Proportional to 108,667.19, 149,963.85 and 60,921.33

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Solution

The fourth proportional to 108,667.19, 149,963.85 and 60,921.33 is: 84,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,667.19 : 149,963.85 = 60,921.33 : x
  2. Step 2: Convert to fraction form
    108,667.19/149,963.85 = 60,921.33/x
  3. Step 3: Cross multiply
    108,667.19x = 149,963.85 × 60,921.33
  4. Step 4: Simplify right side
    108,667.19x = 9,135,997,193.92
  5. Step 5: Solve for x
    x = 9,135,997,193.92/108,667.19
  6. Step 6: Final answer
    x = 84,073.19

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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.