Home / 108,655.70-149,945.38-60,911.06

Finding the Fourth Proportional to 108,655.70, 149,945.38 and 60,911.06

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Solution

The fourth proportional to 108,655.70, 149,945.38 and 60,911.06 is: 84,057.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.70 : 149,945.38 = 60,911.06 : x
  2. Step 2: Convert to fraction form
    108,655.70/149,945.38 = 60,911.06/x
  3. Step 3: Cross multiply
    108,655.70x = 149,945.38 × 60,911.06
  4. Step 4: Simplify right side
    108,655.70x = 9,133,331,135.90
  5. Step 5: Solve for x
    x = 9,133,331,135.90/108,655.70
  6. Step 6: Final answer
    x = 84,057.55

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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.