Home / 68,639.40-94,688.62-43,176.68

Finding the Fourth Proportional to 68,639.40, 94,688.62 and 43,176.68

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Solution

The fourth proportional to 68,639.40, 94,688.62 and 43,176.68 is: 59,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639.40 : 94,688.62 = 43,176.68 : x
  2. Step 2: Convert to fraction form
    68,639.40/94,688.62 = 43,176.68/x
  3. Step 3: Cross multiply
    68,639.40x = 94,688.62 × 43,176.68
  4. Step 4: Simplify right side
    68,639.40x = 4,088,340,245.38
  5. Step 5: Solve for x
    x = 4,088,340,245.38/68,639.40
  6. Step 6: Final answer
    x = 59,562.59

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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.