Home / 71,268.76-98,352.93-39,440.62

Finding the Fourth Proportional to 71,268.76, 98,352.93 and 39,440.62

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Solution

The fourth proportional to 71,268.76, 98,352.93 and 39,440.62 is: 54,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,268.76 : 98,352.93 = 39,440.62 : x
  2. Step 2: Convert to fraction form
    71,268.76/98,352.93 = 39,440.62/x
  3. Step 3: Cross multiply
    71,268.76x = 98,352.93 × 39,440.62
  4. Step 4: Simplify right side
    71,268.76x = 3,879,100,538.02
  5. Step 5: Solve for x
    x = 3,879,100,538.02/71,268.76
  6. Step 6: Final answer
    x = 54,429.19

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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.