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Finding the Fourth Proportional to 85,229.34, 117,573.24 and 65,051.19

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Solution

The fourth proportional to 85,229.34, 117,573.24 and 65,051.19 is: 89,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.34 : 117,573.24 = 65,051.19 : x
  2. Step 2: Convert to fraction form
    85,229.34/117,573.24 = 65,051.19/x
  3. Step 3: Cross multiply
    85,229.34x = 117,573.24 × 65,051.19
  4. Step 4: Simplify right side
    85,229.34x = 7,648,279,174.16
  5. Step 5: Solve for x
    x = 7,648,279,174.16/85,229.34
  6. Step 6: Final answer
    x = 89,737.63

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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.