Home / 99,369.27-137,122.53-54,046.33

Finding the Fourth Proportional to 99,369.27, 137,122.53 and 54,046.33

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Solution

The fourth proportional to 99,369.27, 137,122.53 and 54,046.33 is: 74,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,369.27 : 137,122.53 = 54,046.33 : x
  2. Step 2: Convert to fraction form
    99,369.27/137,122.53 = 54,046.33/x
  3. Step 3: Cross multiply
    99,369.27x = 137,122.53 × 54,046.33
  4. Step 4: Simplify right side
    99,369.27x = 7,410,969,506.81
  5. Step 5: Solve for x
    x = 7,410,969,506.81/99,369.27
  6. Step 6: Final answer
    x = 74,580.09

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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.