Home / 85,467.80-117,943.62-47,741.96

Finding the Fourth Proportional to 85,467.80, 117,943.62 and 47,741.96

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Solution

The fourth proportional to 85,467.80, 117,943.62 and 47,741.96 is: 65,882.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,467.80 : 117,943.62 = 47,741.96 : x
  2. Step 2: Convert to fraction form
    85,467.80/117,943.62 = 47,741.96/x
  3. Step 3: Cross multiply
    85,467.80x = 117,943.62 × 47,741.96
  4. Step 4: Simplify right side
    85,467.80x = 5,630,859,588.30
  5. Step 5: Solve for x
    x = 5,630,859,588.30/85,467.80
  6. Step 6: Final answer
    x = 65,882.82

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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.