Home / 68,264.40-102,396.60-55,822.80

Finding the Fourth Proportional to 68,264.40, 102,396.60 and 55,822.80

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Solution

The fourth proportional to 68,264.40, 102,396.60 and 55,822.80 is: 83,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,264.40 : 102,396.60 = 55,822.80 : x
  2. Step 2: Convert to fraction form
    68,264.40/102,396.60 = 55,822.80/x
  3. Step 3: Cross multiply
    68,264.40x = 102,396.60 × 55,822.80
  4. Step 4: Simplify right side
    68,264.40x = 5,716,064,922.48
  5. Step 5: Solve for x
    x = 5,716,064,922.48/68,264.40
  6. Step 6: Final answer
    x = 83,734.20

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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.