Home / 107,479.51-161,220.86-40,923.33

Finding the Fourth Proportional to 107,479.51, 161,220.86 and 40,923.33

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Solution

The fourth proportional to 107,479.51, 161,220.86 and 40,923.33 is: 61,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,479.51 : 161,220.86 = 40,923.33 : x
  2. Step 2: Convert to fraction form
    107,479.51/161,220.86 = 40,923.33/x
  3. Step 3: Cross multiply
    107,479.51x = 161,220.86 × 40,923.33
  4. Step 4: Simplify right side
    107,479.51x = 6,597,693,685.83
  5. Step 5: Solve for x
    x = 6,597,693,685.83/107,479.51
  6. Step 6: Final answer
    x = 61,385.60

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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.