Home / 73,163.10-100,959.84-42,949.66

Finding the Fourth Proportional to 73,163.10, 100,959.84 and 42,949.66

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Solution

The fourth proportional to 73,163.10, 100,959.84 and 42,949.66 is: 59,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,163.10 : 100,959.84 = 42,949.66 : x
  2. Step 2: Convert to fraction form
    73,163.10/100,959.84 = 42,949.66/x
  3. Step 3: Cross multiply
    73,163.10x = 100,959.84 × 42,949.66
  4. Step 4: Simplify right side
    73,163.10x = 4,336,190,801.65
  5. Step 5: Solve for x
    x = 4,336,190,801.65/73,163.10
  6. Step 6: Final answer
    x = 59,267.46

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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.