Home / 103,967.60-155,949.96-25,081.16

Finding the Fourth Proportional to 103,967.60, 155,949.96 and 25,081.16

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Solution

The fourth proportional to 103,967.60, 155,949.96 and 25,081.16 is: 37,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,967.60 : 155,949.96 = 25,081.16 : x
  2. Step 2: Convert to fraction form
    103,967.60/155,949.96 = 25,081.16/x
  3. Step 3: Cross multiply
    103,967.60x = 155,949.96 × 25,081.16
  4. Step 4: Simplify right side
    103,967.60x = 3,911,405,898.75
  5. Step 5: Solve for x
    x = 3,911,405,898.75/103,967.60
  6. Step 6: Final answer
    x = 37,621.39

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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.