Home / 104,877.50-157,314.69-25,991.19

Finding the Fourth Proportional to 104,877.50, 157,314.69 and 25,991.19

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Solution

The fourth proportional to 104,877.50, 157,314.69 and 25,991.19 is: 38,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,877.50 : 157,314.69 = 25,991.19 : x
  2. Step 2: Convert to fraction form
    104,877.50/157,314.69 = 25,991.19/x
  3. Step 3: Cross multiply
    104,877.50x = 157,314.69 × 25,991.19
  4. Step 4: Simplify right side
    104,877.50x = 4,088,795,997.58
  5. Step 5: Solve for x
    x = 4,088,795,997.58/104,877.50
  6. Step 6: Final answer
    x = 38,986.40

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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.