Home / 107,440.83-161,231.18-40,881.51

Finding the Fourth Proportional to 107,440.83, 161,231.18 and 40,881.51

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Solution

The fourth proportional to 107,440.83, 161,231.18 and 40,881.51 is: 61,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,440.83 : 161,231.18 = 40,881.51 : x
  2. Step 2: Convert to fraction form
    107,440.83/161,231.18 = 40,881.51/x
  3. Step 3: Cross multiply
    107,440.83x = 161,231.18 × 40,881.51
  4. Step 4: Simplify right side
    107,440.83x = 6,591,373,893.07
  5. Step 5: Solve for x
    x = 6,591,373,893.07/107,440.83
  6. Step 6: Final answer
    x = 61,348.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.