Home / 84,787.85-117,007.68-52,975.20

Finding the Fourth Proportional to 84,787.85, 117,007.68 and 52,975.20

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Solution

The fourth proportional to 84,787.85, 117,007.68 and 52,975.20 is: 73,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,787.85 : 117,007.68 = 52,975.20 : x
  2. Step 2: Convert to fraction form
    84,787.85/117,007.68 = 52,975.20/x
  3. Step 3: Cross multiply
    84,787.85x = 117,007.68 × 52,975.20
  4. Step 4: Simplify right side
    84,787.85x = 6,198,504,664.50
  5. Step 5: Solve for x
    x = 6,198,504,664.50/84,787.85
  6. Step 6: Final answer
    x = 73,106.05

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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.