Home / 74,548.25-111,784.05-21,950.90

Finding the Fourth Proportional to 74,548.25, 111,784.05 and 21,950.90

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Solution

The fourth proportional to 74,548.25, 111,784.05 and 21,950.90 is: 32,915.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,548.25 : 111,784.05 = 21,950.90 : x
  2. Step 2: Convert to fraction form
    74,548.25/111,784.05 = 21,950.90/x
  3. Step 3: Cross multiply
    74,548.25x = 111,784.05 × 21,950.90
  4. Step 4: Simplify right side
    74,548.25x = 2,453,759,944.22
  5. Step 5: Solve for x
    x = 2,453,759,944.22/74,548.25
  6. Step 6: Final answer
    x = 32,915.06

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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.