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Finding the Fourth Proportional to 67,029.36, 100,547.50 and 17,109.89

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Solution

The fourth proportional to 67,029.36, 100,547.50 and 17,109.89 is: 25,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,029.36 : 100,547.50 = 17,109.89 : x
  2. Step 2: Convert to fraction form
    67,029.36/100,547.50 = 17,109.89/x
  3. Step 3: Cross multiply
    67,029.36x = 100,547.50 × 17,109.89
  4. Step 4: Simplify right side
    67,029.36x = 1,720,356,765.05
  5. Step 5: Solve for x
    x = 1,720,356,765.05/67,029.36
  6. Step 6: Final answer
    x = 25,665.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.