Home / 68,278.56-102,416.81-41,632.40

Finding the Fourth Proportional to 68,278.56, 102,416.81 and 41,632.40

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Solution

The fourth proportional to 68,278.56, 102,416.81 and 41,632.40 is: 62,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,278.56 : 102,416.81 = 41,632.40 : x
  2. Step 2: Convert to fraction form
    68,278.56/102,416.81 = 41,632.40/x
  3. Step 3: Cross multiply
    68,278.56x = 102,416.81 × 41,632.40
  4. Step 4: Simplify right side
    68,278.56x = 4,263,856,880.40
  5. Step 5: Solve for x
    x = 4,263,856,880.40/68,278.56
  6. Step 6: Final answer
    x = 62,447.96

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1.5x scale

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.