Home / 67,135.08-92,648.74-36,921.64

Finding the Fourth Proportional to 67,135.08, 92,648.74 and 36,921.64

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Solution

The fourth proportional to 67,135.08, 92,648.74 and 36,921.64 is: 50,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,135.08 : 92,648.74 = 36,921.64 : x
  2. Step 2: Convert to fraction form
    67,135.08/92,648.74 = 36,921.64/x
  3. Step 3: Cross multiply
    67,135.08x = 92,648.74 × 36,921.64
  4. Step 4: Simplify right side
    67,135.08x = 3,420,743,424.73
  5. Step 5: Solve for x
    x = 3,420,743,424.73/67,135.08
  6. Step 6: Final answer
    x = 50,953.14

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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.