Home / 86,215.41-118,959.43-50,398.49

Finding the Fourth Proportional to 86,215.41, 118,959.43 and 50,398.49

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Solution

The fourth proportional to 86,215.41, 118,959.43 and 50,398.49 is: 69,539.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,215.41 : 118,959.43 = 50,398.49 : x
  2. Step 2: Convert to fraction form
    86,215.41/118,959.43 = 50,398.49/x
  3. Step 3: Cross multiply
    86,215.41x = 118,959.43 × 50,398.49
  4. Step 4: Simplify right side
    86,215.41x = 5,995,375,643.26
  5. Step 5: Solve for x
    x = 5,995,375,643.26/86,215.41
  6. Step 6: Final answer
    x = 69,539.49

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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.