Home / 111,849.12-167,773.64-40,777.11

Finding the Fourth Proportional to 111,849.12, 167,773.64 and 40,777.11

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Solution

The fourth proportional to 111,849.12, 167,773.64 and 40,777.11 is: 61,165.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,849.12 : 167,773.64 = 40,777.11 : x
  2. Step 2: Convert to fraction form
    111,849.12/167,773.64 = 40,777.11/x
  3. Step 3: Cross multiply
    111,849.12x = 167,773.64 × 40,777.11
  4. Step 4: Simplify right side
    111,849.12x = 6,841,323,969.49
  5. Step 5: Solve for x
    x = 6,841,323,969.49/111,849.12
  6. Step 6: Final answer
    x = 61,165.65

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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.