Home / 68,628.11-94,706.33-38,413.31

Finding the Fourth Proportional to 68,628.11, 94,706.33 and 38,413.31

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Solution

The fourth proportional to 68,628.11, 94,706.33 and 38,413.31 is: 53,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628.11 : 94,706.33 = 38,413.31 : x
  2. Step 2: Convert to fraction form
    68,628.11/94,706.33 = 38,413.31/x
  3. Step 3: Cross multiply
    68,628.11x = 94,706.33 × 38,413.31
  4. Step 4: Simplify right side
    68,628.11x = 3,637,982,947.65
  5. Step 5: Solve for x
    x = 3,637,982,947.65/68,628.11
  6. Step 6: Final answer
    x = 53,010.10

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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.