Home / 68,194.40-94,111.19-37,979.72

Finding the Fourth Proportional to 68,194.40, 94,111.19 and 37,979.72

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Solution

The fourth proportional to 68,194.40, 94,111.19 and 37,979.72 is: 52,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,194.40 : 94,111.19 = 37,979.72 : x
  2. Step 2: Convert to fraction form
    68,194.40/94,111.19 = 37,979.72/x
  3. Step 3: Cross multiply
    68,194.40x = 94,111.19 × 37,979.72
  4. Step 4: Simplify right side
    68,194.40x = 3,574,316,586.77
  5. Step 5: Solve for x
    x = 3,574,316,586.77/68,194.40
  6. Step 6: Final answer
    x = 52,413.64

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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.