Home / 107,999.10-149,035.88-60,251.22

Finding the Fourth Proportional to 107,999.10, 149,035.88 and 60,251.22

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Solution

The fourth proportional to 107,999.10, 149,035.88 and 60,251.22 is: 83,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,999.10 : 149,035.88 = 60,251.22 : x
  2. Step 2: Convert to fraction form
    107,999.10/149,035.88 = 60,251.22/x
  3. Step 3: Cross multiply
    107,999.10x = 149,035.88 × 60,251.22
  4. Step 4: Simplify right side
    107,999.10x = 8,979,593,292.52
  5. Step 5: Solve for x
    x = 8,979,593,292.52/107,999.10
  6. Step 6: Final answer
    x = 83,145.08

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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.