Home / 81,932.20-113,068.55-46,123.49

Finding the Fourth Proportional to 81,932.20, 113,068.55 and 46,123.49

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Solution

The fourth proportional to 81,932.20, 113,068.55 and 46,123.49 is: 63,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,932.20 : 113,068.55 = 46,123.49 : x
  2. Step 2: Convert to fraction form
    81,932.20/113,068.55 = 46,123.49/x
  3. Step 3: Cross multiply
    81,932.20x = 113,068.55 × 46,123.49
  4. Step 4: Simplify right side
    81,932.20x = 5,215,116,135.24
  5. Step 5: Solve for x
    x = 5,215,116,135.24/81,932.20
  6. Step 6: Final answer
    x = 63,651.61

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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.