Home / 68,706.12-94,812.78-38,492.70

Finding the Fourth Proportional to 68,706.12, 94,812.78 and 38,492.70

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Solution

The fourth proportional to 68,706.12, 94,812.78 and 38,492.70 is: 53,118.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,706.12 : 94,812.78 = 38,492.70 : x
  2. Step 2: Convert to fraction form
    68,706.12/94,812.78 = 38,492.70/x
  3. Step 3: Cross multiply
    68,706.12x = 94,812.78 × 38,492.70
  4. Step 4: Simplify right side
    68,706.12x = 3,649,599,896.71
  5. Step 5: Solve for x
    x = 3,649,599,896.71/68,706.12
  6. Step 6: Final answer
    x = 53,118.99

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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.