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Finding the Fourth Proportional to 85,362.57, 117,800.24 and 47,636.82

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Solution

The fourth proportional to 85,362.57, 117,800.24 and 47,636.82 is: 65,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,362.57 : 117,800.24 = 47,636.82 : x
  2. Step 2: Convert to fraction form
    85,362.57/117,800.24 = 47,636.82/x
  3. Step 3: Cross multiply
    85,362.57x = 117,800.24 × 47,636.82
  4. Step 4: Simplify right side
    85,362.57x = 5,611,628,590.65
  5. Step 5: Solve for x
    x = 5,611,628,590.65/85,362.57
  6. Step 6: Final answer
    x = 65,738.75

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1.5x scale

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.