Home / 85,635.23-118,174.17-47,396.34

Finding the Fourth Proportional to 85,635.23, 118,174.17 and 47,396.34

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Solution

The fourth proportional to 85,635.23, 118,174.17 and 47,396.34 is: 65,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,635.23 : 118,174.17 = 47,396.34 : x
  2. Step 2: Convert to fraction form
    85,635.23/118,174.17 = 47,396.34/x
  3. Step 3: Cross multiply
    85,635.23x = 118,174.17 × 47,396.34
  4. Step 4: Simplify right side
    85,635.23x = 5,601,022,918.37
  5. Step 5: Solve for x
    x = 5,601,022,918.37/85,635.23
  6. Step 6: Final answer
    x = 65,405.60

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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.