Home / 84,682.31-116,861.41-48,872.32

Finding the Fourth Proportional to 84,682.31, 116,861.41 and 48,872.32

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Solution

The fourth proportional to 84,682.31, 116,861.41 and 48,872.32 is: 67,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,682.31 : 116,861.41 = 48,872.32 : x
  2. Step 2: Convert to fraction form
    84,682.31/116,861.41 = 48,872.32/x
  3. Step 3: Cross multiply
    84,682.31x = 116,861.41 × 48,872.32
  4. Step 4: Simplify right side
    84,682.31x = 5,711,288,651.45
  5. Step 5: Solve for x
    x = 5,711,288,651.45/84,682.31
  6. Step 6: Final answer
    x = 67,443.70

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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.