Home / 55,218.88-76,202.94-30,068.38

Finding the Fourth Proportional to 55,218.88, 76,202.94 and 30,068.38

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Solution

The fourth proportional to 55,218.88, 76,202.94 and 30,068.38 is: 41,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.88 : 76,202.94 = 30,068.38 : x
  2. Step 2: Convert to fraction form
    55,218.88/76,202.94 = 30,068.38/x
  3. Step 3: Cross multiply
    55,218.88x = 76,202.94 × 30,068.38
  4. Step 4: Simplify right side
    55,218.88x = 2,291,298,957.04
  5. Step 5: Solve for x
    x = 2,291,298,957.04/55,218.88
  6. Step 6: Final answer
    x = 41,494.85

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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.