Home / 71,402.12-98,537.55-43,102.34

Finding the Fourth Proportional to 71,402.12, 98,537.55 and 43,102.34

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Solution

The fourth proportional to 71,402.12, 98,537.55 and 43,102.34 is: 59,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,402.12 : 98,537.55 = 43,102.34 : x
  2. Step 2: Convert to fraction form
    71,402.12/98,537.55 = 43,102.34/x
  3. Step 3: Cross multiply
    71,402.12x = 98,537.55 × 43,102.34
  4. Step 4: Simplify right side
    71,402.12x = 4,247,198,982.87
  5. Step 5: Solve for x
    x = 4,247,198,982.87/71,402.12
  6. Step 6: Final answer
    x = 59,482.81

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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.