Home / 67,118.36-100,458.39-49,344.32

Finding the Fourth Proportional to 67,118.36, 100,458.39 and 49,344.32

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Solution

The fourth proportional to 67,118.36, 100,458.39 and 49,344.32 is: 73,855.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,118.36 : 100,458.39 = 49,344.32 : x
  2. Step 2: Convert to fraction form
    67,118.36/100,458.39 = 49,344.32/x
  3. Step 3: Cross multiply
    67,118.36x = 100,458.39 × 49,344.32
  4. Step 4: Simplify right side
    67,118.36x = 4,957,050,440.55
  5. Step 5: Solve for x
    x = 4,957,050,440.55/67,118.36
  6. Step 6: Final answer
    x = 73,855.36

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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.