Home / 68,427.04-102,621.08-43,429.36

Finding the Fourth Proportional to 68,427.04, 102,621.08 and 43,429.36

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Solution

The fourth proportional to 68,427.04, 102,621.08 and 43,429.36 is: 65,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,427.04 : 102,621.08 = 43,429.36 : x
  2. Step 2: Convert to fraction form
    68,427.04/102,621.08 = 43,429.36/x
  3. Step 3: Cross multiply
    68,427.04x = 102,621.08 × 43,429.36
  4. Step 4: Simplify right side
    68,427.04x = 4,456,767,826.91
  5. Step 5: Solve for x
    x = 4,456,767,826.91/68,427.04
  6. Step 6: Final answer
    x = 65,131.68

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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.