Home / 74,628.28-103,055.43-47,413.15

Finding the Fourth Proportional to 74,628.28, 103,055.43 and 47,413.15

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Solution

The fourth proportional to 74,628.28, 103,055.43 and 47,413.15 is: 65,473.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628.28 : 103,055.43 = 47,413.15 : x
  2. Step 2: Convert to fraction form
    74,628.28/103,055.43 = 47,413.15/x
  3. Step 3: Cross multiply
    74,628.28x = 103,055.43 × 47,413.15
  4. Step 4: Simplify right side
    74,628.28x = 4,886,182,560.90
  5. Step 5: Solve for x
    x = 4,886,182,560.90/74,628.28
  6. Step 6: Final answer
    x = 65,473.61

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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.