Home / 49,200.04-67,895.78-27,979.32

Finding the Fourth Proportional to 49,200.04, 67,895.78 and 27,979.32

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Solution

The fourth proportional to 49,200.04, 67,895.78 and 27,979.32 is: 38,611.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,200.04 : 67,895.78 = 27,979.32 : x
  2. Step 2: Convert to fraction form
    49,200.04/67,895.78 = 27,979.32/x
  3. Step 3: Cross multiply
    49,200.04x = 67,895.78 × 27,979.32
  4. Step 4: Simplify right side
    49,200.04x = 1,899,677,755.27
  5. Step 5: Solve for x
    x = 1,899,677,755.27/49,200.04
  6. Step 6: Final answer
    x = 38,611.31

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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.