Home / 81,633.87-112,656.75-45,826.62

Finding the Fourth Proportional to 81,633.87, 112,656.75 and 45,826.62

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Solution

The fourth proportional to 81,633.87, 112,656.75 and 45,826.62 is: 63,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,633.87 : 112,656.75 = 45,826.62 : x
  2. Step 2: Convert to fraction form
    81,633.87/112,656.75 = 45,826.62/x
  3. Step 3: Cross multiply
    81,633.87x = 112,656.75 × 45,826.62
  4. Step 4: Simplify right side
    81,633.87x = 5,162,678,072.69
  5. Step 5: Solve for x
    x = 5,162,678,072.69/81,633.87
  6. Step 6: Final answer
    x = 63,241.86

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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.