Home / 75,419.60-113,143.28-24,821.46

Finding the Fourth Proportional to 75,419.60, 113,143.28 and 24,821.46

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Solution

The fourth proportional to 75,419.60, 113,143.28 and 24,821.46 is: 37,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.60 : 113,143.28 = 24,821.46 : x
  2. Step 2: Convert to fraction form
    75,419.60/113,143.28 = 24,821.46/x
  3. Step 3: Cross multiply
    75,419.60x = 113,143.28 × 24,821.46
  4. Step 4: Simplify right side
    75,419.60x = 2,808,381,274.68
  5. Step 5: Solve for x
    x = 2,808,381,274.68/75,419.60
  6. Step 6: Final answer
    x = 37,236.76

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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.