Home / 71,073.07-98,080.20-39,241.28

Finding the Fourth Proportional to 71,073.07, 98,080.20 and 39,241.28

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Solution

The fourth proportional to 71,073.07, 98,080.20 and 39,241.28 is: 54,152.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,073.07 : 98,080.20 = 39,241.28 : x
  2. Step 2: Convert to fraction form
    71,073.07/98,080.20 = 39,241.28/x
  3. Step 3: Cross multiply
    71,073.07x = 98,080.20 × 39,241.28
  4. Step 4: Simplify right side
    71,073.07x = 3,848,792,835.86
  5. Step 5: Solve for x
    x = 3,848,792,835.86/71,073.07
  6. Step 6: Final answer
    x = 54,152.62

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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.