Home / 66,180.18-99,389.94-41,268.60

Finding the Fourth Proportional to 66,180.18, 99,389.94 and 41,268.60

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Solution

The fourth proportional to 66,180.18, 99,389.94 and 41,268.60 is: 61,977.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,180.18 : 99,389.94 = 41,268.60 : x
  2. Step 2: Convert to fraction form
    66,180.18/99,389.94 = 41,268.60/x
  3. Step 3: Cross multiply
    66,180.18x = 99,389.94 × 41,268.60
  4. Step 4: Simplify right side
    66,180.18x = 4,101,683,677.88
  5. Step 5: Solve for x
    x = 4,101,683,677.88/66,180.18
  6. Step 6: Final answer
    x = 61,977.52

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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.