Home / 83,890.34-115,765.24-48,055.44

Finding the Fourth Proportional to 83,890.34, 115,765.24 and 48,055.44

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Solution

The fourth proportional to 83,890.34, 115,765.24 and 48,055.44 is: 66,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,890.34 : 115,765.24 = 48,055.44 : x
  2. Step 2: Convert to fraction form
    83,890.34/115,765.24 = 48,055.44/x
  3. Step 3: Cross multiply
    83,890.34x = 115,765.24 × 48,055.44
  4. Step 4: Simplify right side
    83,890.34x = 5,563,149,544.91
  5. Step 5: Solve for x
    x = 5,563,149,544.91/83,890.34
  6. Step 6: Final answer
    x = 66,314.54

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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.