Home / 75,559.70-113,265.62-28,140.02

Finding the Fourth Proportional to 75,559.70, 113,265.62 and 28,140.02

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Solution

The fourth proportional to 75,559.70, 113,265.62 and 28,140.02 is: 42,182.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,559.70 : 113,265.62 = 28,140.02 : x
  2. Step 2: Convert to fraction form
    75,559.70/113,265.62 = 28,140.02/x
  3. Step 3: Cross multiply
    75,559.70x = 113,265.62 × 28,140.02
  4. Step 4: Simplify right side
    75,559.70x = 3,187,296,812.11
  5. Step 5: Solve for x
    x = 3,187,296,812.11/75,559.70
  6. Step 6: Final answer
    x = 42,182.50

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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.