Home / 91,976.52-126,928.04-53,738.25

Finding the Fourth Proportional to 91,976.52, 126,928.04 and 53,738.25

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Solution

The fourth proportional to 91,976.52, 126,928.04 and 53,738.25 is: 74,159.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,976.52 : 126,928.04 = 53,738.25 : x
  2. Step 2: Convert to fraction form
    91,976.52/126,928.04 = 53,738.25/x
  3. Step 3: Cross multiply
    91,976.52x = 126,928.04 × 53,738.25
  4. Step 4: Simplify right side
    91,976.52x = 6,820,890,879.88
  5. Step 5: Solve for x
    x = 6,820,890,879.88/91,976.52
  6. Step 6: Final answer
    x = 74,159.04

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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.