Home / 68,373.02-102,546.84-55,123.40

Finding the Fourth Proportional to 68,373.02, 102,546.84 and 55,123.40

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Solution

The fourth proportional to 68,373.02, 102,546.84 and 55,123.40 is: 82,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.02 : 102,546.84 = 55,123.40 : x
  2. Step 2: Convert to fraction form
    68,373.02/102,546.84 = 55,123.40/x
  3. Step 3: Cross multiply
    68,373.02x = 102,546.84 × 55,123.40
  4. Step 4: Simplify right side
    68,373.02x = 5,652,730,480.06
  5. Step 5: Solve for x
    x = 5,652,730,480.06/68,373.02
  6. Step 6: Final answer
    x = 82,674.87

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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.