Home / 97,712.40-146,524.80-38,517.60

Finding the Fourth Proportional to 97,712.40, 146,524.80 and 38,517.60

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Solution

The fourth proportional to 97,712.40, 146,524.80 and 38,517.60 is: 57,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.40 : 146,524.80 = 38,517.60 : x
  2. Step 2: Convert to fraction form
    97,712.40/146,524.80 = 38,517.60/x
  3. Step 3: Cross multiply
    97,712.40x = 146,524.80 × 38,517.60
  4. Step 4: Simplify right side
    97,712.40x = 5,643,783,636.48
  5. Step 5: Solve for x
    x = 5,643,783,636.48/97,712.40
  6. Step 6: Final answer
    x = 57,759.13

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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.