Home / 53,200.36-73,410.66-30,840.04

Finding the Fourth Proportional to 53,200.36, 73,410.66 and 30,840.04

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Solution

The fourth proportional to 53,200.36, 73,410.66 and 30,840.04 is: 42,555.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,200.36 : 73,410.66 = 30,840.04 : x
  2. Step 2: Convert to fraction form
    53,200.36/73,410.66 = 30,840.04/x
  3. Step 3: Cross multiply
    53,200.36x = 73,410.66 × 30,840.04
  4. Step 4: Simplify right side
    53,200.36x = 2,263,987,690.83
  5. Step 5: Solve for x
    x = 2,263,987,690.83/53,200.36
  6. Step 6: Final answer
    x = 42,555.87

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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.