Home / 66,772.06-100,181.78-22,398.74

Finding the Fourth Proportional to 66,772.06, 100,181.78 and 22,398.74

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Solution

The fourth proportional to 66,772.06, 100,181.78 and 22,398.74 is: 33,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,772.06 : 100,181.78 = 22,398.74 : x
  2. Step 2: Convert to fraction form
    66,772.06/100,181.78 = 22,398.74/x
  3. Step 3: Cross multiply
    66,772.06x = 100,181.78 × 22,398.74
  4. Step 4: Simplify right side
    66,772.06x = 2,243,945,030.05
  5. Step 5: Solve for x
    x = 2,243,945,030.05/66,772.06
  6. Step 6: Final answer
    x = 33,606.05

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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.