Home / 55,051.56-75,969.63-29,901.06

Finding the Fourth Proportional to 55,051.56, 75,969.63 and 29,901.06

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Solution

The fourth proportional to 55,051.56, 75,969.63 and 29,901.06 is: 41,262.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,051.56 : 75,969.63 = 29,901.06 : x
  2. Step 2: Convert to fraction form
    55,051.56/75,969.63 = 29,901.06/x
  3. Step 3: Cross multiply
    55,051.56x = 75,969.63 × 29,901.06
  4. Step 4: Simplify right side
    55,051.56x = 2,271,572,464.81
  5. Step 5: Solve for x
    x = 2,271,572,464.81/55,051.56
  6. Step 6: Final answer
    x = 41,262.64

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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.