Home / 70,834.20-97,751.48-42,540.36

Finding the Fourth Proportional to 70,834.20, 97,751.48 and 42,540.36

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Solution

The fourth proportional to 70,834.20, 97,751.48 and 42,540.36 is: 58,705.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,834.20 : 97,751.48 = 42,540.36 : x
  2. Step 2: Convert to fraction form
    70,834.20/97,751.48 = 42,540.36/x
  3. Step 3: Cross multiply
    70,834.20x = 97,751.48 × 42,540.36
  4. Step 4: Simplify right side
    70,834.20x = 4,158,383,149.73
  5. Step 5: Solve for x
    x = 4,158,383,149.73/70,834.20
  6. Step 6: Final answer
    x = 58,705.87

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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.