Home / 57,768.93-86,511.87-47,712.15

Finding the Fourth Proportional to 57,768.93, 86,511.87 and 47,712.15

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Solution

The fourth proportional to 57,768.93, 86,511.87 and 47,712.15 is: 71,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,768.93 : 86,511.87 = 47,712.15 : x
  2. Step 2: Convert to fraction form
    57,768.93/86,511.87 = 47,712.15/x
  3. Step 3: Cross multiply
    57,768.93x = 86,511.87 × 47,712.15
  4. Step 4: Simplify right side
    57,768.93x = 4,127,667,318.22
  5. Step 5: Solve for x
    x = 4,127,667,318.22/57,768.93
  6. Step 6: Final answer
    x = 71,451.34

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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.