Home / 55,234.20-82,916.10-54,845.40

Finding the Fourth Proportional to 55,234.20, 82,916.10 and 54,845.40

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Solution

The fourth proportional to 55,234.20, 82,916.10 and 54,845.40 is: 82,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.20 : 82,916.10 = 54,845.40 : x
  2. Step 2: Convert to fraction form
    55,234.20/82,916.10 = 54,845.40/x
  3. Step 3: Cross multiply
    55,234.20x = 82,916.10 × 54,845.40
  4. Step 4: Simplify right side
    55,234.20x = 4,547,566,670.94
  5. Step 5: Solve for x
    x = 4,547,566,670.94/55,234.20
  6. Step 6: Final answer
    x = 82,332.44

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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.