Home / 86,512.60-119,364.80-50,683.36

Finding the Fourth Proportional to 86,512.60, 119,364.80 and 50,683.36

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Solution

The fourth proportional to 86,512.60, 119,364.80 and 50,683.36 is: 69,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,512.60 : 119,364.80 = 50,683.36 : x
  2. Step 2: Convert to fraction form
    86,512.60/119,364.80 = 50,683.36/x
  3. Step 3: Cross multiply
    86,512.60x = 119,364.80 × 50,683.36
  4. Step 4: Simplify right side
    86,512.60x = 6,049,809,129.73
  5. Step 5: Solve for x
    x = 6,049,809,129.73/86,512.60
  6. Step 6: Final answer
    x = 69,929.80

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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.