Home / 126,035.06-173,926.58-72,318.96

Finding the Fourth Proportional to 126,035.06, 173,926.58 and 72,318.96

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Solution

The fourth proportional to 126,035.06, 173,926.58 and 72,318.96 is: 99,799.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,035.06 : 173,926.58 = 72,318.96 : x
  2. Step 2: Convert to fraction form
    126,035.06/173,926.58 = 72,318.96/x
  3. Step 3: Cross multiply
    126,035.06x = 173,926.58 × 72,318.96
  4. Step 4: Simplify right side
    126,035.06x = 12,578,189,020.36
  5. Step 5: Solve for x
    x = 12,578,189,020.36/126,035.06
  6. Step 6: Final answer
    x = 99,799.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.