Home / 68,189.31-94,138.07-47,833.74

Finding the Fourth Proportional to 68,189.31, 94,138.07 and 47,833.74

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Solution

The fourth proportional to 68,189.31, 94,138.07 and 47,833.74 is: 66,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.31 : 94,138.07 = 47,833.74 : x
  2. Step 2: Convert to fraction form
    68,189.31/94,138.07 = 47,833.74/x
  3. Step 3: Cross multiply
    68,189.31x = 94,138.07 × 47,833.74
  4. Step 4: Simplify right side
    68,189.31x = 4,502,975,725.31
  5. Step 5: Solve for x
    x = 4,502,975,725.31/68,189.31
  6. Step 6: Final answer
    x = 66,036.39

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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.