Home / 66,593.52-99,905.94-19,847.34

Finding the Fourth Proportional to 66,593.52, 99,905.94 and 19,847.34

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Solution

The fourth proportional to 66,593.52, 99,905.94 and 19,847.34 is: 29,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,593.52 : 99,905.94 = 19,847.34 : x
  2. Step 2: Convert to fraction form
    66,593.52/99,905.94 = 19,847.34/x
  3. Step 3: Cross multiply
    66,593.52x = 99,905.94 × 19,847.34
  4. Step 4: Simplify right side
    66,593.52x = 1,982,867,159.20
  5. Step 5: Solve for x
    x = 1,982,867,159.20/66,593.52
  6. Step 6: Final answer
    x = 29,775.68

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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.