Home / 75,575.60-113,301.32-51,817.52

Finding the Fourth Proportional to 75,575.60, 113,301.32 and 51,817.52

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Solution

The fourth proportional to 75,575.60, 113,301.32 and 51,817.52 is: 77,683.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,575.60 : 113,301.32 = 51,817.52 : x
  2. Step 2: Convert to fraction form
    75,575.60/113,301.32 = 51,817.52/x
  3. Step 3: Cross multiply
    75,575.60x = 113,301.32 × 51,817.52
  4. Step 4: Simplify right side
    75,575.60x = 5,870,993,415.13
  5. Step 5: Solve for x
    x = 5,870,993,415.13/75,575.60
  6. Step 6: Final answer
    x = 77,683.72

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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.