Home / 71,716.26-98,970.96-39,453.42

Finding the Fourth Proportional to 71,716.26, 98,970.96 and 39,453.42

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Solution

The fourth proportional to 71,716.26, 98,970.96 and 39,453.42 is: 54,447.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,716.26 : 98,970.96 = 39,453.42 : x
  2. Step 2: Convert to fraction form
    71,716.26/98,970.96 = 39,453.42/x
  3. Step 3: Cross multiply
    71,716.26x = 98,970.96 × 39,453.42
  4. Step 4: Simplify right side
    71,716.26x = 3,904,742,852.68
  5. Step 5: Solve for x
    x = 3,904,742,852.68/71,716.26
  6. Step 6: Final answer
    x = 54,447.11

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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.