Home / 68,811.04-103,191.72-29,370.88

Finding the Fourth Proportional to 68,811.04, 103,191.72 and 29,370.88

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Solution

The fourth proportional to 68,811.04, 103,191.72 and 29,370.88 is: 44,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,811.04 : 103,191.72 = 29,370.88 : x
  2. Step 2: Convert to fraction form
    68,811.04/103,191.72 = 29,370.88/x
  3. Step 3: Cross multiply
    68,811.04x = 103,191.72 × 29,370.88
  4. Step 4: Simplify right side
    68,811.04x = 3,030,831,625.11
  5. Step 5: Solve for x
    x = 3,030,831,625.11/68,811.04
  6. Step 6: Final answer
    x = 44,045.72

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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.