Home / 74,647.40-111,996.70-33,124.20

Finding the Fourth Proportional to 74,647.40, 111,996.70 and 33,124.20

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Solution

The fourth proportional to 74,647.40, 111,996.70 and 33,124.20 is: 49,697.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,647.40 : 111,996.70 = 33,124.20 : x
  2. Step 2: Convert to fraction form
    74,647.40/111,996.70 = 33,124.20/x
  3. Step 3: Cross multiply
    74,647.40x = 111,996.70 × 33,124.20
  4. Step 4: Simplify right side
    74,647.40x = 3,709,801,090.14
  5. Step 5: Solve for x
    x = 3,709,801,090.14/74,647.40
  6. Step 6: Final answer
    x = 49,697.66

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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.