Home / 81,305.26-112,206.18-45,494.50

Finding the Fourth Proportional to 81,305.26, 112,206.18 and 45,494.50

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Solution

The fourth proportional to 81,305.26, 112,206.18 and 45,494.50 is: 62,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,305.26 : 112,206.18 = 45,494.50 : x
  2. Step 2: Convert to fraction form
    81,305.26/112,206.18 = 45,494.50/x
  3. Step 3: Cross multiply
    81,305.26x = 112,206.18 × 45,494.50
  4. Step 4: Simplify right side
    81,305.26x = 5,104,764,056.01
  5. Step 5: Solve for x
    x = 5,104,764,056.01/81,305.26
  6. Step 6: Final answer
    x = 62,785.16

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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.