Home / 57,415.50-86,123.61-15,862.86

Finding the Fourth Proportional to 57,415.50, 86,123.61 and 15,862.86

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Solution

The fourth proportional to 57,415.50, 86,123.61 and 15,862.86 is: 23,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.50 : 86,123.61 = 15,862.86 : x
  2. Step 2: Convert to fraction form
    57,415.50/86,123.61 = 15,862.86/x
  3. Step 3: Cross multiply
    57,415.50x = 86,123.61 × 15,862.86
  4. Step 4: Simplify right side
    57,415.50x = 1,366,166,768.12
  5. Step 5: Solve for x
    x = 1,366,166,768.12/57,415.50
  6. Step 6: Final answer
    x = 23,794.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.