Home / 94,321.09-130,160.36-51,879.61

Finding the Fourth Proportional to 94,321.09, 130,160.36 and 51,879.61

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Solution

The fourth proportional to 94,321.09, 130,160.36 and 51,879.61 is: 71,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,321.09 : 130,160.36 = 51,879.61 : x
  2. Step 2: Convert to fraction form
    94,321.09/130,160.36 = 51,879.61/x
  3. Step 3: Cross multiply
    94,321.09x = 130,160.36 × 51,879.61
  4. Step 4: Simplify right side
    94,321.09x = 6,752,667,804.06
  5. Step 5: Solve for x
    x = 6,752,667,804.06/94,321.09
  6. Step 6: Final answer
    x = 71,592.35

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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.