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Finding the Fourth Proportional to 85,222.62, 117,611.22 and 47,497.14

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Solution

The fourth proportional to 85,222.62, 117,611.22 and 47,497.14 is: 65,548.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,222.62 : 117,611.22 = 47,497.14 : x
  2. Step 2: Convert to fraction form
    85,222.62/117,611.22 = 47,497.14/x
  3. Step 3: Cross multiply
    85,222.62x = 117,611.22 × 47,497.14
  4. Step 4: Simplify right side
    85,222.62x = 5,586,196,581.91
  5. Step 5: Solve for x
    x = 5,586,196,581.91/85,222.62
  6. Step 6: Final answer
    x = 65,548.28

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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.