Home / 84,419.84-126,629.97-34,499.93

Finding the Fourth Proportional to 84,419.84, 126,629.97 and 34,499.93

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Solution

The fourth proportional to 84,419.84, 126,629.97 and 34,499.93 is: 51,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,419.84 : 126,629.97 = 34,499.93 : x
  2. Step 2: Convert to fraction form
    84,419.84/126,629.97 = 34,499.93/x
  3. Step 3: Cross multiply
    84,419.84x = 126,629.97 × 34,499.93
  4. Step 4: Simplify right side
    84,419.84x = 4,368,724,338.38
  5. Step 5: Solve for x
    x = 4,368,724,338.38/84,419.84
  6. Step 6: Final answer
    x = 51,749.97

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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.