Home / 107,964.78-161,915.85-41,400.06

Finding the Fourth Proportional to 107,964.78, 161,915.85 and 41,400.06

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Solution

The fourth proportional to 107,964.78, 161,915.85 and 41,400.06 is: 62,088.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,964.78 : 161,915.85 = 41,400.06 : x
  2. Step 2: Convert to fraction form
    107,964.78/161,915.85 = 41,400.06/x
  3. Step 3: Cross multiply
    107,964.78x = 161,915.85 × 41,400.06
  4. Step 4: Simplify right side
    107,964.78x = 6,703,325,904.95
  5. Step 5: Solve for x
    x = 6,703,325,904.95/107,964.78
  6. Step 6: Final answer
    x = 62,088.08

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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.