Home / 101,629.44-152,419.66-42,433.02

Finding the Fourth Proportional to 101,629.44, 152,419.66 and 42,433.02

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Solution

The fourth proportional to 101,629.44, 152,419.66 and 42,433.02 is: 63,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,629.44 : 152,419.66 = 42,433.02 : x
  2. Step 2: Convert to fraction form
    101,629.44/152,419.66 = 42,433.02/x
  3. Step 3: Cross multiply
    101,629.44x = 152,419.66 × 42,433.02
  4. Step 4: Simplify right side
    101,629.44x = 6,467,626,269.01
  5. Step 5: Solve for x
    x = 6,467,626,269.01/101,629.44
  6. Step 6: Final answer
    x = 63,639.30

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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.