Home / 76,080.94-104,979.45-47,824.90

Finding the Fourth Proportional to 76,080.94, 104,979.45 and 47,824.90

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Solution

The fourth proportional to 76,080.94, 104,979.45 and 47,824.90 is: 65,990.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,080.94 : 104,979.45 = 47,824.90 : x
  2. Step 2: Convert to fraction form
    76,080.94/104,979.45 = 47,824.90/x
  3. Step 3: Cross multiply
    76,080.94x = 104,979.45 × 47,824.90
  4. Step 4: Simplify right side
    76,080.94x = 5,020,631,698.31
  5. Step 5: Solve for x
    x = 5,020,631,698.31/76,080.94
  6. Step 6: Final answer
    x = 65,990.66

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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.