Home / 107,440.84-161,161.25-40,865.59

Finding the Fourth Proportional to 107,440.84, 161,161.25 and 40,865.59

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Solution

The fourth proportional to 107,440.84, 161,161.25 and 40,865.59 is: 61,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,440.84 : 161,161.25 = 40,865.59 : x
  2. Step 2: Convert to fraction form
    107,440.84/161,161.25 = 40,865.59/x
  3. Step 3: Cross multiply
    107,440.84x = 161,161.25 × 40,865.59
  4. Step 4: Simplify right side
    107,440.84x = 6,585,949,566.39
  5. Step 5: Solve for x
    x = 6,585,949,566.39/107,440.84
  6. Step 6: Final answer
    x = 61,298.38

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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.