Home / 80,675.68-111,382.25-52,005.53

Finding the Fourth Proportional to 80,675.68, 111,382.25 and 52,005.53

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Solution

The fourth proportional to 80,675.68, 111,382.25 and 52,005.53 is: 71,799.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,675.68 : 111,382.25 = 52,005.53 : x
  2. Step 2: Convert to fraction form
    80,675.68/111,382.25 = 52,005.53/x
  3. Step 3: Cross multiply
    80,675.68x = 111,382.25 × 52,005.53
  4. Step 4: Simplify right side
    80,675.68x = 5,792,492,943.84
  5. Step 5: Solve for x
    x = 5,792,492,943.84/80,675.68
  6. Step 6: Final answer
    x = 71,799.74

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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.