Home / 49,412.16-68,191.20-28,195.56

Finding the Fourth Proportional to 49,412.16, 68,191.20 and 28,195.56

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Solution

The fourth proportional to 49,412.16, 68,191.20 and 28,195.56 is: 38,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.16 : 68,191.20 = 28,195.56 : x
  2. Step 2: Convert to fraction form
    49,412.16/68,191.20 = 28,195.56/x
  3. Step 3: Cross multiply
    49,412.16x = 68,191.20 × 28,195.56
  4. Step 4: Simplify right side
    49,412.16x = 1,922,689,071.07
  5. Step 5: Solve for x
    x = 1,922,689,071.07/49,412.16
  6. Step 6: Final answer
    x = 38,911.25

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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.