Home / 66,947.22-100,180.89-57,972.23

Finding the Fourth Proportional to 66,947.22, 100,180.89 and 57,972.23

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Solution

The fourth proportional to 66,947.22, 100,180.89 and 57,972.23 is: 86,750.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,947.22 : 100,180.89 = 57,972.23 : x
  2. Step 2: Convert to fraction form
    66,947.22/100,180.89 = 57,972.23/x
  3. Step 3: Cross multiply
    66,947.22x = 100,180.89 × 57,972.23
  4. Step 4: Simplify right side
    66,947.22x = 5,807,709,847.14
  5. Step 5: Solve for x
    x = 5,807,709,847.14/66,947.22
  6. Step 6: Final answer
    x = 86,750.58

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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.