Home / 99,297.15-137,029.82-53,975.13

Finding the Fourth Proportional to 99,297.15, 137,029.82 and 53,975.13

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Solution

The fourth proportional to 99,297.15, 137,029.82 and 53,975.13 is: 74,485.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,297.15 : 137,029.82 = 53,975.13 : x
  2. Step 2: Convert to fraction form
    99,297.15/137,029.82 = 53,975.13/x
  3. Step 3: Cross multiply
    99,297.15x = 137,029.82 × 53,975.13
  4. Step 4: Simplify right side
    99,297.15x = 7,396,202,078.50
  5. Step 5: Solve for x
    x = 7,396,202,078.50/99,297.15
  6. Step 6: Final answer
    x = 74,485.54

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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.