Home / 98,949.24-136,554.39-70,299.54

Finding the Fourth Proportional to 98,949.24, 136,554.39 and 70,299.54

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Solution

The fourth proportional to 98,949.24, 136,554.39 and 70,299.54 is: 97,016.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,949.24 : 136,554.39 = 70,299.54 : x
  2. Step 2: Convert to fraction form
    98,949.24/136,554.39 = 70,299.54/x
  3. Step 3: Cross multiply
    98,949.24x = 136,554.39 × 70,299.54
  4. Step 4: Simplify right side
    98,949.24x = 9,599,710,801.98
  5. Step 5: Solve for x
    x = 9,599,710,801.98/98,949.24
  6. Step 6: Final answer
    x = 97,016.52

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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.