Home / 68,628.38-94,707.14-38,413.69

Finding the Fourth Proportional to 68,628.38, 94,707.14 and 38,413.69

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Solution

The fourth proportional to 68,628.38, 94,707.14 and 38,413.69 is: 53,010.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,628.38 : 94,707.14 = 38,413.69 : x
  2. Step 2: Convert to fraction form
    68,628.38/94,707.14 = 38,413.69/x
  3. Step 3: Cross multiply
    68,628.38x = 94,707.14 × 38,413.69
  4. Step 4: Simplify right side
    68,628.38x = 3,638,050,287.91
  5. Step 5: Solve for x
    x = 3,638,050,287.91/68,628.38
  6. Step 6: Final answer
    x = 53,010.88

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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.