Home / 84,921.09-117,188.56-48,621.33

Finding the Fourth Proportional to 84,921.09, 117,188.56 and 48,621.33

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Solution

The fourth proportional to 84,921.09, 117,188.56 and 48,621.33 is: 67,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,921.09 : 117,188.56 = 48,621.33 : x
  2. Step 2: Convert to fraction form
    84,921.09/117,188.56 = 48,621.33/x
  3. Step 3: Cross multiply
    84,921.09x = 117,188.56 × 48,621.33
  4. Step 4: Simplify right side
    84,921.09x = 5,697,863,435.27
  5. Step 5: Solve for x
    x = 5,697,863,435.27/84,921.09
  6. Step 6: Final answer
    x = 67,095.97

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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.