Home / 90,506.24-135,706.44-27,307.40

Finding the Fourth Proportional to 90,506.24, 135,706.44 and 27,307.40

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Solution

The fourth proportional to 90,506.24, 135,706.44 and 27,307.40 is: 40,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,506.24 : 135,706.44 = 27,307.40 : x
  2. Step 2: Convert to fraction form
    90,506.24/135,706.44 = 27,307.40/x
  3. Step 3: Cross multiply
    90,506.24x = 135,706.44 × 27,307.40
  4. Step 4: Simplify right side
    90,506.24x = 3,705,790,039.66
  5. Step 5: Solve for x
    x = 3,705,790,039.66/90,506.24
  6. Step 6: Final answer
    x = 40,945.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.