Home / 66,235.30-99,135.75-36,203.53

Finding the Fourth Proportional to 66,235.30, 99,135.75 and 36,203.53

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Solution

The fourth proportional to 66,235.30, 99,135.75 and 36,203.53 is: 54,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,235.30 : 99,135.75 = 36,203.53 : x
  2. Step 2: Convert to fraction form
    66,235.30/99,135.75 = 36,203.53/x
  3. Step 3: Cross multiply
    66,235.30x = 99,135.75 × 36,203.53
  4. Step 4: Simplify right side
    66,235.30x = 3,589,064,099.20
  5. Step 5: Solve for x
    x = 3,589,064,099.20/66,235.30
  6. Step 6: Final answer
    x = 54,186.58

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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.