Home / 80,643.45-111,294.69-44,836.80

Finding the Fourth Proportional to 80,643.45, 111,294.69 and 44,836.80

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Solution

The fourth proportional to 80,643.45, 111,294.69 and 44,836.80 is: 61,878.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643.45 : 111,294.69 = 44,836.80 : x
  2. Step 2: Convert to fraction form
    80,643.45/111,294.69 = 44,836.80/x
  3. Step 3: Cross multiply
    80,643.45x = 111,294.69 × 44,836.80
  4. Step 4: Simplify right side
    80,643.45x = 4,990,097,756.59
  5. Step 5: Solve for x
    x = 4,990,097,756.59/80,643.45
  6. Step 6: Final answer
    x = 61,878.53

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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.