Home / 56,335.44-77,672.34-36,156.72

Finding the Fourth Proportional to 56,335.44, 77,672.34 and 36,156.72

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Solution

The fourth proportional to 56,335.44, 77,672.34 and 36,156.72 is: 49,850.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335.44 : 77,672.34 = 36,156.72 : x
  2. Step 2: Convert to fraction form
    56,335.44/77,672.34 = 36,156.72/x
  3. Step 3: Cross multiply
    56,335.44x = 77,672.34 × 36,156.72
  4. Step 4: Simplify right side
    56,335.44x = 2,808,377,049.12
  5. Step 5: Solve for x
    x = 2,808,377,049.12/56,335.44
  6. Step 6: Final answer
    x = 49,850.98

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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.