Home / 80,182.51-110,578.75-68,848.45

Finding the Fourth Proportional to 80,182.51, 110,578.75 and 68,848.45

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Solution

The fourth proportional to 80,182.51, 110,578.75 and 68,848.45 is: 94,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,182.51 : 110,578.75 = 68,848.45 : x
  2. Step 2: Convert to fraction form
    80,182.51/110,578.75 = 68,848.45/x
  3. Step 3: Cross multiply
    80,182.51x = 110,578.75 × 68,848.45
  4. Step 4: Simplify right side
    80,182.51x = 7,613,175,540.44
  5. Step 5: Solve for x
    x = 7,613,175,540.44/80,182.51
  6. Step 6: Final answer
    x = 94,948.08

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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.