Home / 49,298.40-68,033.15-30,177.78

Finding the Fourth Proportional to 49,298.40, 68,033.15 and 30,177.78

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Solution

The fourth proportional to 49,298.40, 68,033.15 and 30,177.78 is: 41,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,298.40 : 68,033.15 = 30,177.78 : x
  2. Step 2: Convert to fraction form
    49,298.40/68,033.15 = 30,177.78/x
  3. Step 3: Cross multiply
    49,298.40x = 68,033.15 × 30,177.78
  4. Step 4: Simplify right side
    49,298.40x = 2,053,089,282.52
  5. Step 5: Solve for x
    x = 2,053,089,282.52/49,298.40
  6. Step 6: Final answer
    x = 41,646.16

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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.