Home / 68,270.04-102,390.48-21,511.98

Finding the Fourth Proportional to 68,270.04, 102,390.48 and 21,511.98

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Solution

The fourth proportional to 68,270.04, 102,390.48 and 21,511.98 is: 32,263.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,270.04 : 102,390.48 = 21,511.98 : x
  2. Step 2: Convert to fraction form
    68,270.04/102,390.48 = 21,511.98/x
  3. Step 3: Cross multiply
    68,270.04x = 102,390.48 × 21,511.98
  4. Step 4: Simplify right side
    68,270.04x = 2,202,621,957.95
  5. Step 5: Solve for x
    x = 2,202,621,957.95/68,270.04
  6. Step 6: Final answer
    x = 32,263.38

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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.