Home / 57,076.86-78,756.87-35,841.09

Finding the Fourth Proportional to 57,076.86, 78,756.87 and 35,841.09

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Solution

The fourth proportional to 57,076.86, 78,756.87 and 35,841.09 is: 49,454.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.86 : 78,756.87 = 35,841.09 : x
  2. Step 2: Convert to fraction form
    57,076.86/78,756.87 = 35,841.09/x
  3. Step 3: Cross multiply
    57,076.86x = 78,756.87 × 35,841.09
  4. Step 4: Simplify right side
    57,076.86x = 2,822,732,065.79
  5. Step 5: Solve for x
    x = 2,822,732,065.79/57,076.86
  6. Step 6: Final answer
    x = 49,454.93

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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.