Home / 86,805.32-119,790.30-50,998.60

Finding the Fourth Proportional to 86,805.32, 119,790.30 and 50,998.60

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Solution

The fourth proportional to 86,805.32, 119,790.30 and 50,998.60 is: 70,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,805.32 : 119,790.30 = 50,998.60 : x
  2. Step 2: Convert to fraction form
    86,805.32/119,790.30 = 50,998.60/x
  3. Step 3: Cross multiply
    86,805.32x = 119,790.30 × 50,998.60
  4. Step 4: Simplify right side
    86,805.32x = 6,109,137,593.58
  5. Step 5: Solve for x
    x = 6,109,137,593.58/86,805.32
  6. Step 6: Final answer
    x = 70,377.46

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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.