Home / 75,666.39-113,500.50-25,747.52

Finding the Fourth Proportional to 75,666.39, 113,500.50 and 25,747.52

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Solution

The fourth proportional to 75,666.39, 113,500.50 and 25,747.52 is: 38,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.39 : 113,500.50 = 25,747.52 : x
  2. Step 2: Convert to fraction form
    75,666.39/113,500.50 = 25,747.52/x
  3. Step 3: Cross multiply
    75,666.39x = 113,500.50 × 25,747.52
  4. Step 4: Simplify right side
    75,666.39x = 2,922,355,826.26
  5. Step 5: Solve for x
    x = 2,922,355,826.26/75,666.39
  6. Step 6: Final answer
    x = 38,621.58

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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.