Home / 86,173.24-118,916.96-47,932.66

Finding the Fourth Proportional to 86,173.24, 118,916.96 and 47,932.66

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Solution

The fourth proportional to 86,173.24, 118,916.96 and 47,932.66 is: 66,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,173.24 : 118,916.96 = 47,932.66 : x
  2. Step 2: Convert to fraction form
    86,173.24/118,916.96 = 47,932.66/x
  3. Step 3: Cross multiply
    86,173.24x = 118,916.96 × 47,932.66
  4. Step 4: Simplify right side
    86,173.24x = 5,700,006,211.91
  5. Step 5: Solve for x
    x = 5,700,006,211.91/86,173.24
  6. Step 6: Final answer
    x = 66,145.90

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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.