Home / 68,813-94,962.10-40,152.37

Finding the Fourth Proportional to 68,813, 94,962.10 and 40,152.37

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Solution

The fourth proportional to 68,813, 94,962.10 and 40,152.37 is: 55,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813 : 94,962.10 = 40,152.37 : x
  2. Step 2: Convert to fraction form
    68,813/94,962.10 = 40,152.37/x
  3. Step 3: Cross multiply
    68,813x = 94,962.10 × 40,152.37
  4. Step 4: Simplify right side
    68,813x = 3,812,952,900.37
  5. Step 5: Solve for x
    x = 3,812,952,900.37/68,813
  6. Step 6: Final answer
    x = 55,410.36

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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.