Home / 75,899.60-113,922.30-38,501.90

Finding the Fourth Proportional to 75,899.60, 113,922.30 and 38,501.90

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Solution

The fourth proportional to 75,899.60, 113,922.30 and 38,501.90 is: 57,789.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899.60 : 113,922.30 = 38,501.90 : x
  2. Step 2: Convert to fraction form
    75,899.60/113,922.30 = 38,501.90/x
  3. Step 3: Cross multiply
    75,899.60x = 113,922.30 × 38,501.90
  4. Step 4: Simplify right side
    75,899.60x = 4,386,225,002.37
  5. Step 5: Solve for x
    x = 4,386,225,002.37/75,899.60
  6. Step 6: Final answer
    x = 57,789.83

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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.