Home / 75,410.79-113,116.52-25,491.15

Finding the Fourth Proportional to 75,410.79, 113,116.52 and 25,491.15

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Solution

The fourth proportional to 75,410.79, 113,116.52 and 25,491.15 is: 38,236.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,410.79 : 113,116.52 = 25,491.15 : x
  2. Step 2: Convert to fraction form
    75,410.79/113,116.52 = 25,491.15/x
  3. Step 3: Cross multiply
    75,410.79x = 113,116.52 × 25,491.15
  4. Step 4: Simplify right side
    75,410.79x = 2,883,470,242.53
  5. Step 5: Solve for x
    x = 2,883,470,242.53/75,410.79
  6. Step 6: Final answer
    x = 38,236.84

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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.