Home / 74,090.84-111,141.66-21,500.60

Finding the Fourth Proportional to 74,090.84, 111,141.66 and 21,500.60

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Solution

The fourth proportional to 74,090.84, 111,141.66 and 21,500.60 is: 32,252.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,090.84 : 111,141.66 = 21,500.60 : x
  2. Step 2: Convert to fraction form
    74,090.84/111,141.66 = 21,500.60/x
  3. Step 3: Cross multiply
    74,090.84x = 111,141.66 × 21,500.60
  4. Step 4: Simplify right side
    74,090.84x = 2,389,612,375.00
  5. Step 5: Solve for x
    x = 2,389,612,375.00/74,090.84
  6. Step 6: Final answer
    x = 32,252.47

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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.