Home / 64,868.20-97,302.30-54,845.80

Finding the Fourth Proportional to 64,868.20, 97,302.30 and 54,845.80

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Solution

The fourth proportional to 64,868.20, 97,302.30 and 54,845.80 is: 82,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,868.20 : 97,302.30 = 54,845.80 : x
  2. Step 2: Convert to fraction form
    64,868.20/97,302.30 = 54,845.80/x
  3. Step 3: Cross multiply
    64,868.20x = 97,302.30 × 54,845.80
  4. Step 4: Simplify right side
    64,868.20x = 5,336,622,485.34
  5. Step 5: Solve for x
    x = 5,336,622,485.34/64,868.20
  6. Step 6: Final answer
    x = 82,268.70

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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.