Home / 68,972.08-103,464.08-19,052.16

Finding the Fourth Proportional to 68,972.08, 103,464.08 and 19,052.16

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Solution

The fourth proportional to 68,972.08, 103,464.08 and 19,052.16 is: 28,579.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,972.08 : 103,464.08 = 19,052.16 : x
  2. Step 2: Convert to fraction form
    68,972.08/103,464.08 = 19,052.16/x
  3. Step 3: Cross multiply
    68,972.08x = 103,464.08 × 19,052.16
  4. Step 4: Simplify right side
    68,972.08x = 1,971,214,206.41
  5. Step 5: Solve for x
    x = 1,971,214,206.41/68,972.08
  6. Step 6: Final answer
    x = 28,579.89

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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.