Home / 84,015.92-125,816.38-62,617.32

Finding the Fourth Proportional to 84,015.92, 125,816.38 and 62,617.32

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Solution

The fourth proportional to 84,015.92, 125,816.38 and 62,617.32 is: 93,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,015.92 : 125,816.38 = 62,617.32 : x
  2. Step 2: Convert to fraction form
    84,015.92/125,816.38 = 62,617.32/x
  3. Step 3: Cross multiply
    84,015.92x = 125,816.38 × 62,617.32
  4. Step 4: Simplify right side
    84,015.92x = 7,878,284,527.70
  5. Step 5: Solve for x
    x = 7,878,284,527.70/84,015.92
  6. Step 6: Final answer
    x = 93,771.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.