Home / 111,203.72-153,464.82-60,905.48

Finding the Fourth Proportional to 111,203.72, 153,464.82 and 60,905.48

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Solution

The fourth proportional to 111,203.72, 153,464.82 and 60,905.48 is: 84,051.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,203.72 : 153,464.82 = 60,905.48 : x
  2. Step 2: Convert to fraction form
    111,203.72/153,464.82 = 60,905.48/x
  3. Step 3: Cross multiply
    111,203.72x = 153,464.82 × 60,905.48
  4. Step 4: Simplify right side
    111,203.72x = 9,346,848,525.21
  5. Step 5: Solve for x
    x = 9,346,848,525.21/111,203.72
  6. Step 6: Final answer
    x = 84,051.58

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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.