Home / 55,270.69-76,285.86-35,123.64

Finding the Fourth Proportional to 55,270.69, 76,285.86 and 35,123.64

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Solution

The fourth proportional to 55,270.69, 76,285.86 and 35,123.64 is: 48,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.69 : 76,285.86 = 35,123.64 : x
  2. Step 2: Convert to fraction form
    55,270.69/76,285.86 = 35,123.64/x
  3. Step 3: Cross multiply
    55,270.69x = 76,285.86 × 35,123.64
  4. Step 4: Simplify right side
    55,270.69x = 2,679,436,665.94
  5. Step 5: Solve for x
    x = 2,679,436,665.94/55,270.69
  6. Step 6: Final answer
    x = 48,478.44

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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.