Home / 71,157.72-98,183.70-42,864.96

Finding the Fourth Proportional to 71,157.72, 98,183.70 and 42,864.96

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Solution

The fourth proportional to 71,157.72, 98,183.70 and 42,864.96 is: 59,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157.72 : 98,183.70 = 42,864.96 : x
  2. Step 2: Convert to fraction form
    71,157.72/98,183.70 = 42,864.96/x
  3. Step 3: Cross multiply
    71,157.72x = 98,183.70 × 42,864.96
  4. Step 4: Simplify right side
    71,157.72x = 4,208,640,373.15
  5. Step 5: Solve for x
    x = 4,208,640,373.15/71,157.72
  6. Step 6: Final answer
    x = 59,145.24

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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.