Home / 53,219.82-73,406.43-43,148.64

Finding the Fourth Proportional to 53,219.82, 73,406.43 and 43,148.64

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Solution

The fourth proportional to 53,219.82, 73,406.43 and 43,148.64 is: 59,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219.82 : 73,406.43 = 43,148.64 : x
  2. Step 2: Convert to fraction form
    53,219.82/73,406.43 = 43,148.64/x
  3. Step 3: Cross multiply
    53,219.82x = 73,406.43 × 43,148.64
  4. Step 4: Simplify right side
    53,219.82x = 3,167,387,621.76
  5. Step 5: Solve for x
    x = 3,167,387,621.76/53,219.82
  6. Step 6: Final answer
    x = 59,515.19

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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.