Home / 56,199.76-77,559.32-31,049.28

Finding the Fourth Proportional to 56,199.76, 77,559.32 and 31,049.28

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Solution

The fourth proportional to 56,199.76, 77,559.32 and 31,049.28 is: 42,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,199.76 : 77,559.32 = 31,049.28 : x
  2. Step 2: Convert to fraction form
    56,199.76/77,559.32 = 31,049.28/x
  3. Step 3: Cross multiply
    56,199.76x = 77,559.32 × 31,049.28
  4. Step 4: Simplify right side
    56,199.76x = 2,408,161,043.29
  5. Step 5: Solve for x
    x = 2,408,161,043.29/56,199.76
  6. Step 6: Final answer
    x = 42,850.02

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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.