Home / 86,440.16-119,296.96-50,149.60

Finding the Fourth Proportional to 86,440.16, 119,296.96 and 50,149.60

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Solution

The fourth proportional to 86,440.16, 119,296.96 and 50,149.60 is: 69,211.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,440.16 : 119,296.96 = 50,149.60 : x
  2. Step 2: Convert to fraction form
    86,440.16/119,296.96 = 50,149.60/x
  3. Step 3: Cross multiply
    86,440.16x = 119,296.96 × 50,149.60
  4. Step 4: Simplify right side
    86,440.16x = 5,982,694,825.22
  5. Step 5: Solve for x
    x = 5,982,694,825.22/86,440.16
  6. Step 6: Final answer
    x = 69,211.98

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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.