Home / 66,868.20-100,293.12-46,816.92

Finding the Fourth Proportional to 66,868.20, 100,293.12 and 46,816.92

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Solution

The fourth proportional to 66,868.20, 100,293.12 and 46,816.92 is: 70,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,868.20 : 100,293.12 = 46,816.92 : x
  2. Step 2: Convert to fraction form
    66,868.20/100,293.12 = 46,816.92/x
  3. Step 3: Cross multiply
    66,868.20x = 100,293.12 × 46,816.92
  4. Step 4: Simplify right side
    66,868.20x = 4,695,414,975.59
  5. Step 5: Solve for x
    x = 4,695,414,975.59/66,868.20
  6. Step 6: Final answer
    x = 70,218.95

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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.