Home / 73,179.36-109,561.46-47,908.31

Finding the Fourth Proportional to 73,179.36, 109,561.46 and 47,908.31

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Solution

The fourth proportional to 73,179.36, 109,561.46 and 47,908.31 is: 71,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,179.36 : 109,561.46 = 47,908.31 : x
  2. Step 2: Convert to fraction form
    73,179.36/109,561.46 = 47,908.31/x
  3. Step 3: Cross multiply
    73,179.36x = 109,561.46 × 47,908.31
  4. Step 4: Simplify right side
    73,179.36x = 5,248,903,602.38
  5. Step 5: Solve for x
    x = 5,248,903,602.38/73,179.36
  6. Step 6: Final answer
    x = 71,726.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.