Home / 100,940.31-151,416.14-44,767.22

Finding the Fourth Proportional to 100,940.31, 151,416.14 and 44,767.22

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Solution

The fourth proportional to 100,940.31, 151,416.14 and 44,767.22 is: 67,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,940.31 : 151,416.14 = 44,767.22 : x
  2. Step 2: Convert to fraction form
    100,940.31/151,416.14 = 44,767.22/x
  3. Step 3: Cross multiply
    100,940.31x = 151,416.14 × 44,767.22
  4. Step 4: Simplify right side
    100,940.31x = 6,778,478,670.01
  5. Step 5: Solve for x
    x = 6,778,478,670.01/100,940.31
  6. Step 6: Final answer
    x = 67,153.34

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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.