Home / 55,195.32-82,368.82-49,290.12

Finding the Fourth Proportional to 55,195.32, 82,368.82 and 49,290.12

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Solution

The fourth proportional to 55,195.32, 82,368.82 and 49,290.12 is: 73,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,195.32 : 82,368.82 = 49,290.12 : x
  2. Step 2: Convert to fraction form
    55,195.32/82,368.82 = 49,290.12/x
  3. Step 3: Cross multiply
    55,195.32x = 82,368.82 × 49,290.12
  4. Step 4: Simplify right side
    55,195.32x = 4,059,969,022.06
  5. Step 5: Solve for x
    x = 4,059,969,022.06/55,195.32
  6. Step 6: Final answer
    x = 73,556.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.