Home / 68,228.25-102,346.02-21,484.77

Finding the Fourth Proportional to 68,228.25, 102,346.02 and 21,484.77

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Solution

The fourth proportional to 68,228.25, 102,346.02 and 21,484.77 is: 32,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,228.25 : 102,346.02 = 21,484.77 : x
  2. Step 2: Convert to fraction form
    68,228.25/102,346.02 = 21,484.77/x
  3. Step 3: Cross multiply
    68,228.25x = 102,346.02 × 21,484.77
  4. Step 4: Simplify right side
    68,228.25x = 2,198,880,700.12
  5. Step 5: Solve for x
    x = 2,198,880,700.12/68,228.25
  6. Step 6: Final answer
    x = 32,228.30

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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.