Home / 89,876.21-134,827.07-47,745.27

Finding the Fourth Proportional to 89,876.21, 134,827.07 and 47,745.27

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Solution

The fourth proportional to 89,876.21, 134,827.07 and 47,745.27 is: 71,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,876.21 : 134,827.07 = 47,745.27 : x
  2. Step 2: Convert to fraction form
    89,876.21/134,827.07 = 47,745.27/x
  3. Step 3: Cross multiply
    89,876.21x = 134,827.07 × 47,745.27
  4. Step 4: Simplify right side
    89,876.21x = 6,437,354,621.73
  5. Step 5: Solve for x
    x = 6,437,354,621.73/89,876.21
  6. Step 6: Final answer
    x = 71,624.68

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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.