Home / 53,664.36-80,496.40-45,692.68

Finding the Fourth Proportional to 53,664.36, 80,496.40 and 45,692.68

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Solution

The fourth proportional to 53,664.36, 80,496.40 and 45,692.68 is: 68,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,664.36 : 80,496.40 = 45,692.68 : x
  2. Step 2: Convert to fraction form
    53,664.36/80,496.40 = 45,692.68/x
  3. Step 3: Cross multiply
    53,664.36x = 80,496.40 × 45,692.68
  4. Step 4: Simplify right side
    53,664.36x = 3,678,096,246.35
  5. Step 5: Solve for x
    x = 3,678,096,246.35/53,664.36
  6. Step 6: Final answer
    x = 68,538.90

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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.