Home / 81,626.94-112,645.62-45,817.38

Finding the Fourth Proportional to 81,626.94, 112,645.62 and 45,817.38

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Solution

The fourth proportional to 81,626.94, 112,645.62 and 45,817.38 is: 63,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,626.94 : 112,645.62 = 45,817.38 : x
  2. Step 2: Convert to fraction form
    81,626.94/112,645.62 = 45,817.38/x
  3. Step 3: Cross multiply
    81,626.94x = 112,645.62 × 45,817.38
  4. Step 4: Simplify right side
    81,626.94x = 5,161,127,176.88
  5. Step 5: Solve for x
    x = 5,161,127,176.88/81,626.94
  6. Step 6: Final answer
    x = 63,228.23

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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.