Home / 75,828.30-113,742.45-50,945.10

Finding the Fourth Proportional to 75,828.30, 113,742.45 and 50,945.10

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Solution

The fourth proportional to 75,828.30, 113,742.45 and 50,945.10 is: 76,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.30 : 113,742.45 = 50,945.10 : x
  2. Step 2: Convert to fraction form
    75,828.30/113,742.45 = 50,945.10/x
  3. Step 3: Cross multiply
    75,828.30x = 113,742.45 × 50,945.10
  4. Step 4: Simplify right side
    75,828.30x = 5,794,620,489.50
  5. Step 5: Solve for x
    x = 5,794,620,489.50/75,828.30
  6. Step 6: Final answer
    x = 76,417.65

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1.5x scale

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.