Home / 68,528.63-102,808.06-29,119.43

Finding the Fourth Proportional to 68,528.63, 102,808.06 and 29,119.43

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Solution

The fourth proportional to 68,528.63, 102,808.06 and 29,119.43 is: 43,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,528.63 : 102,808.06 = 29,119.43 : x
  2. Step 2: Convert to fraction form
    68,528.63/102,808.06 = 29,119.43/x
  3. Step 3: Cross multiply
    68,528.63x = 102,808.06 × 29,119.43
  4. Step 4: Simplify right side
    68,528.63x = 2,993,712,106.61
  5. Step 5: Solve for x
    x = 2,993,712,106.61/68,528.63
  6. Step 6: Final answer
    x = 43,685.57

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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.