Home / 68,985.60-103,391.86-29,496.36

Finding the Fourth Proportional to 68,985.60, 103,391.86 and 29,496.36

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Solution

The fourth proportional to 68,985.60, 103,391.86 and 29,496.36 is: 44,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,985.60 : 103,391.86 = 29,496.36 : x
  2. Step 2: Convert to fraction form
    68,985.60/103,391.86 = 29,496.36/x
  3. Step 3: Cross multiply
    68,985.60x = 103,391.86 × 29,496.36
  4. Step 4: Simplify right side
    68,985.60x = 3,049,683,523.63
  5. Step 5: Solve for x
    x = 3,049,683,523.63/68,985.60
  6. Step 6: Final answer
    x = 44,207.54

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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.