Home / 105,268.10-157,912.07-29,371.68

Finding the Fourth Proportional to 105,268.10, 157,912.07 and 29,371.68

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Solution

The fourth proportional to 105,268.10, 157,912.07 and 29,371.68 is: 44,060.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,268.10 : 157,912.07 = 29,371.68 : x
  2. Step 2: Convert to fraction form
    105,268.10/157,912.07 = 29,371.68/x
  3. Step 3: Cross multiply
    105,268.10x = 157,912.07 × 29,371.68
  4. Step 4: Simplify right side
    105,268.10x = 4,638,142,641.32
  5. Step 5: Solve for x
    x = 4,638,142,641.32/105,268.10
  6. Step 6: Final answer
    x = 44,060.29

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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.