Home / 71,181.06-98,229.84-42,892.22

Finding the Fourth Proportional to 71,181.06, 98,229.84 and 42,892.22

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Solution

The fourth proportional to 71,181.06, 98,229.84 and 42,892.22 is: 59,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,181.06 : 98,229.84 = 42,892.22 : x
  2. Step 2: Convert to fraction form
    71,181.06/98,229.84 = 42,892.22/x
  3. Step 3: Cross multiply
    71,181.06x = 98,229.84 × 42,892.22
  4. Step 4: Simplify right side
    71,181.06x = 4,213,295,907.84
  5. Step 5: Solve for x
    x = 4,213,295,907.84/71,181.06
  6. Step 6: Final answer
    x = 59,191.25

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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.