Home / 81,282.96-112,175.82-45,479.16

Finding the Fourth Proportional to 81,282.96, 112,175.82 and 45,479.16

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Solution

The fourth proportional to 81,282.96, 112,175.82 and 45,479.16 is: 62,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,282.96 : 112,175.82 = 45,479.16 : x
  2. Step 2: Convert to fraction form
    81,282.96/112,175.82 = 45,479.16/x
  3. Step 3: Cross multiply
    81,282.96x = 112,175.82 × 45,479.16
  4. Step 4: Simplify right side
    81,282.96x = 5,101,662,065.91
  5. Step 5: Solve for x
    x = 5,101,662,065.91/81,282.96
  6. Step 6: Final answer
    x = 62,764.23

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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.