Home / 90,801.15-136,172.40-33,090.17

Finding the Fourth Proportional to 90,801.15, 136,172.40 and 33,090.17

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Solution

The fourth proportional to 90,801.15, 136,172.40 and 33,090.17 is: 49,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.15 : 136,172.40 = 33,090.17 : x
  2. Step 2: Convert to fraction form
    90,801.15/136,172.40 = 33,090.17/x
  3. Step 3: Cross multiply
    90,801.15x = 136,172.40 × 33,090.17
  4. Step 4: Simplify right side
    90,801.15x = 4,505,967,865.31
  5. Step 5: Solve for x
    x = 4,505,967,865.31/90,801.15
  6. Step 6: Final answer
    x = 49,624.57

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1.5x scale

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.