Home / 99,465.27-149,199.48-55,372.28

Finding the Fourth Proportional to 99,465.27, 149,199.48 and 55,372.28

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Solution

The fourth proportional to 99,465.27, 149,199.48 and 55,372.28 is: 83,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,465.27 : 149,199.48 = 55,372.28 : x
  2. Step 2: Convert to fraction form
    99,465.27/149,199.48 = 55,372.28/x
  3. Step 3: Cross multiply
    99,465.27x = 149,199.48 × 55,372.28
  4. Step 4: Simplify right side
    99,465.27x = 8,261,515,382.41
  5. Step 5: Solve for x
    x = 8,261,515,382.41/99,465.27
  6. Step 6: Final answer
    x = 83,059.30

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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.