Home / 75,083.58-112,658.37-28,325.52

Finding the Fourth Proportional to 75,083.58, 112,658.37 and 28,325.52

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Solution

The fourth proportional to 75,083.58, 112,658.37 and 28,325.52 is: 42,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.58 : 112,658.37 = 28,325.52 : x
  2. Step 2: Convert to fraction form
    75,083.58/112,658.37 = 28,325.52/x
  3. Step 3: Cross multiply
    75,083.58x = 112,658.37 × 28,325.52
  4. Step 4: Simplify right side
    75,083.58x = 3,191,106,912.60
  5. Step 5: Solve for x
    x = 3,191,106,912.60/75,083.58
  6. Step 6: Final answer
    x = 42,500.73

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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.