Home / 54,099.21-74,644.12-31,424.74

Finding the Fourth Proportional to 54,099.21, 74,644.12 and 31,424.74

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Solution

The fourth proportional to 54,099.21, 74,644.12 and 31,424.74 is: 43,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,099.21 : 74,644.12 = 31,424.74 : x
  2. Step 2: Convert to fraction form
    54,099.21/74,644.12 = 31,424.74/x
  3. Step 3: Cross multiply
    54,099.21x = 74,644.12 × 31,424.74
  4. Step 4: Simplify right side
    54,099.21x = 2,345,671,916.20
  5. Step 5: Solve for x
    x = 2,345,671,916.20/54,099.21
  6. Step 6: Final answer
    x = 43,358.71

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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.