Home / 71,183.85-98,238.35-40,972.89

Finding the Fourth Proportional to 71,183.85, 98,238.35 and 40,972.89

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Solution

The fourth proportional to 71,183.85, 98,238.35 and 40,972.89 is: 56,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,183.85 : 98,238.35 = 40,972.89 : x
  2. Step 2: Convert to fraction form
    71,183.85/98,238.35 = 40,972.89/x
  3. Step 3: Cross multiply
    71,183.85x = 98,238.35 × 40,972.89
  4. Step 4: Simplify right side
    71,183.85x = 4,025,108,903.47
  5. Step 5: Solve for x
    x = 4,025,108,903.47/71,183.85
  6. Step 6: Final answer
    x = 56,545.25

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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.