Home / 97,892.79-146,857.56-31,315.04

Finding the Fourth Proportional to 97,892.79, 146,857.56 and 31,315.04

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Solution

The fourth proportional to 97,892.79, 146,857.56 and 31,315.04 is: 46,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,892.79 : 146,857.56 = 31,315.04 : x
  2. Step 2: Convert to fraction form
    97,892.79/146,857.56 = 31,315.04/x
  3. Step 3: Cross multiply
    97,892.79x = 146,857.56 × 31,315.04
  4. Step 4: Simplify right side
    97,892.79x = 4,598,850,064.70
  5. Step 5: Solve for x
    x = 4,598,850,064.70/97,892.79
  6. Step 6: Final answer
    x = 46,978.44

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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.