Home / 71,102.03-98,112.41-39,269.03

Finding the Fourth Proportional to 71,102.03, 98,112.41 and 39,269.03

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Solution

The fourth proportional to 71,102.03, 98,112.41 and 39,269.03 is: 54,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,102.03 : 98,112.41 = 39,269.03 : x
  2. Step 2: Convert to fraction form
    71,102.03/98,112.41 = 39,269.03/x
  3. Step 3: Cross multiply
    71,102.03x = 98,112.41 × 39,269.03
  4. Step 4: Simplify right side
    71,102.03x = 3,852,778,975.32
  5. Step 5: Solve for x
    x = 3,852,778,975.32/71,102.03
  6. Step 6: Final answer
    x = 54,186.62

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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.