Home / 53,872.44-74,343.66-31,515.96

Finding the Fourth Proportional to 53,872.44, 74,343.66 and 31,515.96

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Solution

The fourth proportional to 53,872.44, 74,343.66 and 31,515.96 is: 43,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,872.44 : 74,343.66 = 31,515.96 : x
  2. Step 2: Convert to fraction form
    53,872.44/74,343.66 = 31,515.96/x
  3. Step 3: Cross multiply
    53,872.44x = 74,343.66 × 31,515.96
  4. Step 4: Simplify right side
    53,872.44x = 2,343,011,814.81
  5. Step 5: Solve for x
    x = 2,343,011,814.81/53,872.44
  6. Step 6: Final answer
    x = 43,491.85

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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.