Home / 55,051.58-75,969.14-29,900.54

Finding the Fourth Proportional to 55,051.58, 75,969.14 and 29,900.54

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Solution

The fourth proportional to 55,051.58, 75,969.14 and 29,900.54 is: 41,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.58 : 75,969.14 = 29,900.54 : x
  2. Step 2: Convert to fraction form
    55,051.58/75,969.14 = 29,900.54/x
  3. Step 3: Cross multiply
    55,051.58x = 75,969.14 × 29,900.54
  4. Step 4: Simplify right side
    55,051.58x = 2,271,518,309.34
  5. Step 5: Solve for x
    x = 2,271,518,309.34/55,051.58
  6. Step 6: Final answer
    x = 41,261.64

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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.