Home / 47,621.93-71,447.77-28,667.32

Finding the Fourth Proportional to 47,621.93, 71,447.77 and 28,667.32

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Solution

The fourth proportional to 47,621.93, 71,447.77 and 28,667.32 is: 43,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,621.93 : 71,447.77 = 28,667.32 : x
  2. Step 2: Convert to fraction form
    47,621.93/71,447.77 = 28,667.32/x
  3. Step 3: Cross multiply
    47,621.93x = 71,447.77 × 28,667.32
  4. Step 4: Simplify right side
    47,621.93x = 2,048,215,943.09
  5. Step 5: Solve for x
    x = 2,048,215,943.09/47,621.93
  6. Step 6: Final answer
    x = 43,009.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.