Home / 85,463.55-117,939.25-47,225.73

Finding the Fourth Proportional to 85,463.55, 117,939.25 and 47,225.73

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Solution

The fourth proportional to 85,463.55, 117,939.25 and 47,225.73 is: 65,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,463.55 : 117,939.25 = 47,225.73 : x
  2. Step 2: Convert to fraction form
    85,463.55/117,939.25 = 47,225.73/x
  3. Step 3: Cross multiply
    85,463.55x = 117,939.25 × 47,225.73
  4. Step 4: Simplify right side
    85,463.55x = 5,569,767,176.90
  5. Step 5: Solve for x
    x = 5,569,767,176.90/85,463.55
  6. Step 6: Final answer
    x = 65,171.26

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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.