Home / 57,188.89-78,901.76-34,519.26

Finding the Fourth Proportional to 57,188.89, 78,901.76 and 34,519.26

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Solution

The fourth proportional to 57,188.89, 78,901.76 and 34,519.26 is: 47,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.89 : 78,901.76 = 34,519.26 : x
  2. Step 2: Convert to fraction form
    57,188.89/78,901.76 = 34,519.26/x
  3. Step 3: Cross multiply
    57,188.89x = 78,901.76 × 34,519.26
  4. Step 4: Simplify right side
    57,188.89x = 2,723,630,604.45
  5. Step 5: Solve for x
    x = 2,723,630,604.45/57,188.89
  6. Step 6: Final answer
    x = 47,625.17

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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.