Home / 56,494.16-77,961.16-31,343.76

Finding the Fourth Proportional to 56,494.16, 77,961.16 and 31,343.76

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Solution

The fourth proportional to 56,494.16, 77,961.16 and 31,343.76 is: 43,253.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,494.16 : 77,961.16 = 31,343.76 : x
  2. Step 2: Convert to fraction form
    56,494.16/77,961.16 = 31,343.76/x
  3. Step 3: Cross multiply
    56,494.16x = 77,961.16 × 31,343.76
  4. Step 4: Simplify right side
    56,494.16x = 2,443,595,888.36
  5. Step 5: Solve for x
    x = 2,443,595,888.36/56,494.16
  6. Step 6: Final answer
    x = 43,253.96

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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.