Home / 97,712.60-146,503.20-38,517.80

Finding the Fourth Proportional to 97,712.60, 146,503.20 and 38,517.80

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Solution

The fourth proportional to 97,712.60, 146,503.20 and 38,517.80 is: 57,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.60 : 146,503.20 = 38,517.80 : x
  2. Step 2: Convert to fraction form
    97,712.60/146,503.20 = 38,517.80/x
  3. Step 3: Cross multiply
    97,712.60x = 146,503.20 × 38,517.80
  4. Step 4: Simplify right side
    97,712.60x = 5,642,980,956.96
  5. Step 5: Solve for x
    x = 5,642,980,956.96/97,712.60
  6. Step 6: Final answer
    x = 57,750.80

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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.