Home / 115,931.21-173,891.03-67,926.96

Finding the Fourth Proportional to 115,931.21, 173,891.03 and 67,926.96

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Solution

The fourth proportional to 115,931.21, 173,891.03 and 67,926.96 is: 101,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,931.21 : 173,891.03 = 67,926.96 : x
  2. Step 2: Convert to fraction form
    115,931.21/173,891.03 = 67,926.96/x
  3. Step 3: Cross multiply
    115,931.21x = 173,891.03 × 67,926.96
  4. Step 4: Simplify right side
    115,931.21x = 11,811,888,699.53
  5. Step 5: Solve for x
    x = 11,811,888,699.53/115,931.21
  6. Step 6: Final answer
    x = 101,887.05

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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.