Home / 80,477.23-111,054.43-47,773.01

Finding the Fourth Proportional to 80,477.23, 111,054.43 and 47,773.01

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Solution

The fourth proportional to 80,477.23, 111,054.43 and 47,773.01 is: 65,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.23 : 111,054.43 = 47,773.01 : x
  2. Step 2: Convert to fraction form
    80,477.23/111,054.43 = 47,773.01/x
  3. Step 3: Cross multiply
    80,477.23x = 111,054.43 × 47,773.01
  4. Step 4: Simplify right side
    80,477.23x = 5,305,403,838.88
  5. Step 5: Solve for x
    x = 5,305,403,838.88/80,477.23
  6. Step 6: Final answer
    x = 65,924.29

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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.