Home / 68,292.21-94,242.90-39,617.67

Finding the Fourth Proportional to 68,292.21, 94,242.90 and 39,617.67

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Solution

The fourth proportional to 68,292.21, 94,242.90 and 39,617.67 is: 54,672.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,292.21 : 94,242.90 = 39,617.67 : x
  2. Step 2: Convert to fraction form
    68,292.21/94,242.90 = 39,617.67/x
  3. Step 3: Cross multiply
    68,292.21x = 94,242.90 × 39,617.67
  4. Step 4: Simplify right side
    68,292.21x = 3,733,684,112.04
  5. Step 5: Solve for x
    x = 3,733,684,112.04/68,292.21
  6. Step 6: Final answer
    x = 54,672.18

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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.