Home / 68,544.10-94,591.11-39,870.64

Finding the Fourth Proportional to 68,544.10, 94,591.11 and 39,870.64

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Solution

The fourth proportional to 68,544.10, 94,591.11 and 39,870.64 is: 55,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,544.10 : 94,591.11 = 39,870.64 : x
  2. Step 2: Convert to fraction form
    68,544.10/94,591.11 = 39,870.64/x
  3. Step 3: Cross multiply
    68,544.10x = 94,591.11 × 39,870.64
  4. Step 4: Simplify right side
    68,544.10x = 3,771,408,094.01
  5. Step 5: Solve for x
    x = 3,771,408,094.01/68,544.10
  6. Step 6: Final answer
    x = 55,021.63

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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.