Home / 90,907.05-136,350.14-34,745.91

Finding the Fourth Proportional to 90,907.05, 136,350.14 and 34,745.91

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Solution

The fourth proportional to 90,907.05, 136,350.14 and 34,745.91 is: 52,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,907.05 : 136,350.14 = 34,745.91 : x
  2. Step 2: Convert to fraction form
    90,907.05/136,350.14 = 34,745.91/x
  3. Step 3: Cross multiply
    90,907.05x = 136,350.14 × 34,745.91
  4. Step 4: Simplify right side
    90,907.05x = 4,737,609,519.20
  5. Step 5: Solve for x
    x = 4,737,609,519.20/90,907.05
  6. Step 6: Final answer
    x = 52,114.87

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1.5x scale

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.