Home / 57,125.73-78,809.08-34,451.83

Finding the Fourth Proportional to 57,125.73, 78,809.08 and 34,451.83

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Solution

The fourth proportional to 57,125.73, 78,809.08 and 34,451.83 is: 47,528.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,125.73 : 78,809.08 = 34,451.83 : x
  2. Step 2: Convert to fraction form
    57,125.73/78,809.08 = 34,451.83/x
  3. Step 3: Cross multiply
    57,125.73x = 78,809.08 × 34,451.83
  4. Step 4: Simplify right side
    57,125.73x = 2,715,116,743.46
  5. Step 5: Solve for x
    x = 2,715,116,743.46/57,125.73
  6. Step 6: Final answer
    x = 47,528.79

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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.