Home / 84,103.68-126,198.18-46,656.84

Finding the Fourth Proportional to 84,103.68, 126,198.18 and 46,656.84

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Solution

The fourth proportional to 84,103.68, 126,198.18 and 46,656.84 is: 70,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,103.68 : 126,198.18 = 46,656.84 : x
  2. Step 2: Convert to fraction form
    84,103.68/126,198.18 = 46,656.84/x
  3. Step 3: Cross multiply
    84,103.68x = 126,198.18 × 46,656.84
  4. Step 4: Simplify right side
    84,103.68x = 5,888,008,292.55
  5. Step 5: Solve for x
    x = 5,888,008,292.55/84,103.68
  6. Step 6: Final answer
    x = 70,008.93

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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.