Home / 97,659.78-146,441.21-31,091.24

Finding the Fourth Proportional to 97,659.78, 146,441.21 and 31,091.24

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Solution

The fourth proportional to 97,659.78, 146,441.21 and 31,091.24 is: 46,621.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,659.78 : 146,441.21 = 31,091.24 : x
  2. Step 2: Convert to fraction form
    97,659.78/146,441.21 = 31,091.24/x
  3. Step 3: Cross multiply
    97,659.78x = 146,441.21 × 31,091.24
  4. Step 4: Simplify right side
    97,659.78x = 4,553,037,918.34
  5. Step 5: Solve for x
    x = 4,553,037,918.34/97,659.78
  6. Step 6: Final answer
    x = 46,621.42

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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.