Home / 83,384.10-115,059.24-47,571.84

Finding the Fourth Proportional to 83,384.10, 115,059.24 and 47,571.84

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Solution

The fourth proportional to 83,384.10, 115,059.24 and 47,571.84 is: 65,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,384.10 : 115,059.24 = 47,571.84 : x
  2. Step 2: Convert to fraction form
    83,384.10/115,059.24 = 47,571.84/x
  3. Step 3: Cross multiply
    83,384.10x = 115,059.24 × 47,571.84
  4. Step 4: Simplify right side
    83,384.10x = 5,473,579,755.80
  5. Step 5: Solve for x
    x = 5,473,579,755.80/83,384.10
  6. Step 6: Final answer
    x = 65,642.97

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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.