Home / 45,916.38-68,717.30-31,892.22

Finding the Fourth Proportional to 45,916.38, 68,717.30 and 31,892.22

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Solution

The fourth proportional to 45,916.38, 68,717.30 and 31,892.22 is: 47,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.38 : 68,717.30 = 31,892.22 : x
  2. Step 2: Convert to fraction form
    45,916.38/68,717.30 = 31,892.22/x
  3. Step 3: Cross multiply
    45,916.38x = 68,717.30 × 31,892.22
  4. Step 4: Simplify right side
    45,916.38x = 2,191,547,089.94
  5. Step 5: Solve for x
    x = 2,191,547,089.94/45,916.38
  6. Step 6: Final answer
    x = 47,729.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.