Home / 55,449.36-76,521.24-30,300.48

Finding the Fourth Proportional to 55,449.36, 76,521.24 and 30,300.48

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Solution

The fourth proportional to 55,449.36, 76,521.24 and 30,300.48 is: 41,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.36 : 76,521.24 = 30,300.48 : x
  2. Step 2: Convert to fraction form
    55,449.36/76,521.24 = 30,300.48/x
  3. Step 3: Cross multiply
    55,449.36x = 76,521.24 × 30,300.48
  4. Step 4: Simplify right side
    55,449.36x = 2,318,630,302.20
  5. Step 5: Solve for x
    x = 2,318,630,302.20/55,449.36
  6. Step 6: Final answer
    x = 41,815.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.