Home / 71,173.44-98,219.32-42,884.60

Finding the Fourth Proportional to 71,173.44, 98,219.32 and 42,884.60

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Solution

The fourth proportional to 71,173.44, 98,219.32 and 42,884.60 is: 59,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,173.44 : 98,219.32 = 42,884.60 : x
  2. Step 2: Convert to fraction form
    71,173.44/98,219.32 = 42,884.60/x
  3. Step 3: Cross multiply
    71,173.44x = 98,219.32 × 42,884.60
  4. Step 4: Simplify right side
    71,173.44x = 4,212,095,652.16
  5. Step 5: Solve for x
    x = 4,212,095,652.16/71,173.44
  6. Step 6: Final answer
    x = 59,180.72

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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.