Home / 57,179.78-78,910.98-34,518.41

Finding the Fourth Proportional to 57,179.78, 78,910.98 and 34,518.41

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Solution

The fourth proportional to 57,179.78, 78,910.98 and 34,518.41 is: 47,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.78 : 78,910.98 = 34,518.41 : x
  2. Step 2: Convert to fraction form
    57,179.78/78,910.98 = 34,518.41/x
  3. Step 3: Cross multiply
    57,179.78x = 78,910.98 × 34,518.41
  4. Step 4: Simplify right side
    57,179.78x = 2,723,881,561.14
  5. Step 5: Solve for x
    x = 2,723,881,561.14/57,179.78
  6. Step 6: Final answer
    x = 47,637.15

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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.