Home / 56,698.13-78,243.34-35,179.87

Finding the Fourth Proportional to 56,698.13, 78,243.34 and 35,179.87

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Solution

The fourth proportional to 56,698.13, 78,243.34 and 35,179.87 is: 48,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,698.13 : 78,243.34 = 35,179.87 : x
  2. Step 2: Convert to fraction form
    56,698.13/78,243.34 = 35,179.87/x
  3. Step 3: Cross multiply
    56,698.13x = 78,243.34 × 35,179.87
  4. Step 4: Simplify right side
    56,698.13x = 2,752,590,557.62
  5. Step 5: Solve for x
    x = 2,752,590,557.62/56,698.13
  6. Step 6: Final answer
    x = 48,548.17

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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.