Home / 71,354.25-98,468.87-39,525.21

Finding the Fourth Proportional to 71,354.25, 98,468.87 and 39,525.21

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Solution

The fourth proportional to 71,354.25, 98,468.87 and 39,525.21 is: 54,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,354.25 : 98,468.87 = 39,525.21 : x
  2. Step 2: Convert to fraction form
    71,354.25/98,468.87 = 39,525.21/x
  3. Step 3: Cross multiply
    71,354.25x = 98,468.87 × 39,525.21
  4. Step 4: Simplify right side
    71,354.25x = 3,892,002,567.59
  5. Step 5: Solve for x
    x = 3,892,002,567.59/71,354.25
  6. Step 6: Final answer
    x = 54,544.79

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1.5x scale

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.