Home / 68,175.32-94,081.96-39,886.46

Finding the Fourth Proportional to 68,175.32, 94,081.96 and 39,886.46

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Solution

The fourth proportional to 68,175.32, 94,081.96 and 39,886.46 is: 55,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,175.32 : 94,081.96 = 39,886.46 : x
  2. Step 2: Convert to fraction form
    68,175.32/94,081.96 = 39,886.46/x
  3. Step 3: Cross multiply
    68,175.32x = 94,081.96 × 39,886.46
  4. Step 4: Simplify right side
    68,175.32x = 3,752,596,334.26
  5. Step 5: Solve for x
    x = 3,752,596,334.26/68,175.32
  6. Step 6: Final answer
    x = 55,043.33

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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.