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Finding the Fourth Proportional to 55,080.99, 76,011.84 and 31,209.27

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Solution

The fourth proportional to 55,080.99, 76,011.84 and 31,209.27 is: 43,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,080.99 : 76,011.84 = 31,209.27 : x
  2. Step 2: Convert to fraction form
    55,080.99/76,011.84 = 31,209.27/x
  3. Step 3: Cross multiply
    55,080.99x = 76,011.84 × 31,209.27
  4. Step 4: Simplify right side
    55,080.99x = 2,372,274,037.76
  5. Step 5: Solve for x
    x = 2,372,274,037.76/55,080.99
  6. Step 6: Final answer
    x = 43,068.83

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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.