Home / 66,383.46-91,567.33-39,505.91

Finding the Fourth Proportional to 66,383.46, 91,567.33 and 39,505.91

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Solution

The fourth proportional to 66,383.46, 91,567.33 and 39,505.91 is: 54,493.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,383.46 : 91,567.33 = 39,505.91 : x
  2. Step 2: Convert to fraction form
    66,383.46/91,567.33 = 39,505.91/x
  3. Step 3: Cross multiply
    66,383.46x = 91,567.33 × 39,505.91
  4. Step 4: Simplify right side
    66,383.46x = 3,617,450,141.32
  5. Step 5: Solve for x
    x = 3,617,450,141.32/66,383.46
  6. Step 6: Final answer
    x = 54,493.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.