Home / 80,497.05-111,063.22-50,312.98

Finding the Fourth Proportional to 80,497.05, 111,063.22 and 50,312.98

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Solution

The fourth proportional to 80,497.05, 111,063.22 and 50,312.98 is: 69,417.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,497.05 : 111,063.22 = 50,312.98 : x
  2. Step 2: Convert to fraction form
    80,497.05/111,063.22 = 50,312.98/x
  3. Step 3: Cross multiply
    80,497.05x = 111,063.22 × 50,312.98
  4. Step 4: Simplify right side
    80,497.05x = 5,587,921,566.60
  5. Step 5: Solve for x
    x = 5,587,921,566.60/80,497.05
  6. Step 6: Final answer
    x = 69,417.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.