Home / 66,453.54-99,567.47-40,102.91

Finding the Fourth Proportional to 66,453.54, 99,567.47 and 40,102.91

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Solution

The fourth proportional to 66,453.54, 99,567.47 and 40,102.91 is: 60,086.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,453.54 : 99,567.47 = 40,102.91 : x
  2. Step 2: Convert to fraction form
    66,453.54/99,567.47 = 40,102.91/x
  3. Step 3: Cross multiply
    66,453.54x = 99,567.47 × 40,102.91
  4. Step 4: Simplify right side
    66,453.54x = 3,992,945,087.82
  5. Step 5: Solve for x
    x = 3,992,945,087.82/66,453.54
  6. Step 6: Final answer
    x = 60,086.27

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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.