Home / 67,103.44-100,655.18-31,538.66

Finding the Fourth Proportional to 67,103.44, 100,655.18 and 31,538.66

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Solution

The fourth proportional to 67,103.44, 100,655.18 and 31,538.66 is: 47,308.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,103.44 : 100,655.18 = 31,538.66 : x
  2. Step 2: Convert to fraction form
    67,103.44/100,655.18 = 31,538.66/x
  3. Step 3: Cross multiply
    67,103.44x = 100,655.18 × 31,538.66
  4. Step 4: Simplify right side
    67,103.44x = 3,174,529,499.26
  5. Step 5: Solve for x
    x = 3,174,529,499.26/67,103.44
  6. Step 6: Final answer
    x = 47,308.00

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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.