Home / 81,074.16-121,611.24-24,914.16

Finding the Fourth Proportional to 81,074.16, 121,611.24 and 24,914.16

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Solution

The fourth proportional to 81,074.16, 121,611.24 and 24,914.16 is: 37,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,074.16 : 121,611.24 = 24,914.16 : x
  2. Step 2: Convert to fraction form
    81,074.16/121,611.24 = 24,914.16/x
  3. Step 3: Cross multiply
    81,074.16x = 121,611.24 × 24,914.16
  4. Step 4: Simplify right side
    81,074.16x = 3,029,841,891.16
  5. Step 5: Solve for x
    x = 3,029,841,891.16/81,074.16
  6. Step 6: Final answer
    x = 37,371.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.