Home / 57,179.88-78,923.70-34,519.32

Finding the Fourth Proportional to 57,179.88, 78,923.70 and 34,519.32

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Solution

The fourth proportional to 57,179.88, 78,923.70 and 34,519.32 is: 47,646.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.88 : 78,923.70 = 34,519.32 : x
  2. Step 2: Convert to fraction form
    57,179.88/78,923.70 = 34,519.32/x
  3. Step 3: Cross multiply
    57,179.88x = 78,923.70 × 34,519.32
  4. Step 4: Simplify right side
    57,179.88x = 2,724,392,455.88
  5. Step 5: Solve for x
    x = 2,724,392,455.88/57,179.88
  6. Step 6: Final answer
    x = 47,646.00

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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.