Home / 49,868.82-74,479.91-45,179.46

Finding the Fourth Proportional to 49,868.82, 74,479.91 and 45,179.46

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Solution

The fourth proportional to 49,868.82, 74,479.91 and 45,179.46 is: 67,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.82 : 74,479.91 = 45,179.46 : x
  2. Step 2: Convert to fraction form
    49,868.82/74,479.91 = 45,179.46/x
  3. Step 3: Cross multiply
    49,868.82x = 74,479.91 × 45,179.46
  4. Step 4: Simplify right side
    49,868.82x = 3,364,961,888.75
  5. Step 5: Solve for x
    x = 3,364,961,888.75/49,868.82
  6. Step 6: Final answer
    x = 67,476.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.