Home / 97,824.40-146,747.40-31,253.20

Finding the Fourth Proportional to 97,824.40, 146,747.40 and 31,253.20

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Solution

The fourth proportional to 97,824.40, 146,747.40 and 31,253.20 is: 46,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,824.40 : 146,747.40 = 31,253.20 : x
  2. Step 2: Convert to fraction form
    97,824.40/146,747.40 = 31,253.20/x
  3. Step 3: Cross multiply
    97,824.40x = 146,747.40 × 31,253.20
  4. Step 4: Simplify right side
    97,824.40x = 4,586,325,841.68
  5. Step 5: Solve for x
    x = 4,586,325,841.68/97,824.40
  6. Step 6: Final answer
    x = 46,883.25

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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.