Home / 83,611.80-125,429.94-39,243.06

Finding the Fourth Proportional to 83,611.80, 125,429.94 and 39,243.06

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Solution

The fourth proportional to 83,611.80, 125,429.94 and 39,243.06 is: 58,870.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,611.80 : 125,429.94 = 39,243.06 : x
  2. Step 2: Convert to fraction form
    83,611.80/125,429.94 = 39,243.06/x
  3. Step 3: Cross multiply
    83,611.80x = 125,429.94 × 39,243.06
  4. Step 4: Simplify right side
    83,611.80x = 4,922,254,661.22
  5. Step 5: Solve for x
    x = 4,922,254,661.22/83,611.80
  6. Step 6: Final answer
    x = 58,870.33

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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.