Home / 68,467.50-94,468.96-39,770.12

Finding the Fourth Proportional to 68,467.50, 94,468.96 and 39,770.12

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Solution

The fourth proportional to 68,467.50, 94,468.96 and 39,770.12 is: 54,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,467.50 : 94,468.96 = 39,770.12 : x
  2. Step 2: Convert to fraction form
    68,467.50/94,468.96 = 39,770.12/x
  3. Step 3: Cross multiply
    68,467.50x = 94,468.96 × 39,770.12
  4. Step 4: Simplify right side
    68,467.50x = 3,757,041,303.71
  5. Step 5: Solve for x
    x = 3,757,041,303.71/68,467.50
  6. Step 6: Final answer
    x = 54,873.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.