Home / 107,045.38-159,916.99-69,297.94

Finding the Fourth Proportional to 107,045.38, 159,916.99 and 69,297.94

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Solution

The fourth proportional to 107,045.38, 159,916.99 and 69,297.94 is: 103,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,045.38 : 159,916.99 = 69,297.94 : x
  2. Step 2: Convert to fraction form
    107,045.38/159,916.99 = 69,297.94/x
  3. Step 3: Cross multiply
    107,045.38x = 159,916.99 × 69,297.94
  4. Step 4: Simplify right side
    107,045.38x = 11,081,917,978.00
  5. Step 5: Solve for x
    x = 11,081,917,978.00/107,045.38
  6. Step 6: Final answer
    x = 103,525.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.