Home / 75,403.90-113,183.61-56,498.50

Finding the Fourth Proportional to 75,403.90, 113,183.61 and 56,498.50

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Solution

The fourth proportional to 75,403.90, 113,183.61 and 56,498.50 is: 84,806.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.90 : 113,183.61 = 56,498.50 : x
  2. Step 2: Convert to fraction form
    75,403.90/113,183.61 = 56,498.50/x
  3. Step 3: Cross multiply
    75,403.90x = 113,183.61 × 56,498.50
  4. Step 4: Simplify right side
    75,403.90x = 6,394,704,189.59
  5. Step 5: Solve for x
    x = 6,394,704,189.59/75,403.90
  6. Step 6: Final answer
    x = 84,806.01

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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.