Home / 68,725.19-94,784.53-48,374.62

Finding the Fourth Proportional to 68,725.19, 94,784.53 and 48,374.62

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Solution

The fourth proportional to 68,725.19, 94,784.53 and 48,374.62 is: 66,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,725.19 : 94,784.53 = 48,374.62 : x
  2. Step 2: Convert to fraction form
    68,725.19/94,784.53 = 48,374.62/x
  3. Step 3: Cross multiply
    68,725.19x = 94,784.53 × 48,374.62
  4. Step 4: Simplify right side
    68,725.19x = 4,585,165,620.63
  5. Step 5: Solve for x
    x = 4,585,165,620.63/68,725.19
  6. Step 6: Final answer
    x = 66,717.39

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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.