Home / 55,292.58-82,963.35-28,991.04

Finding the Fourth Proportional to 55,292.58, 82,963.35 and 28,991.04

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Solution

The fourth proportional to 55,292.58, 82,963.35 and 28,991.04 is: 43,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,292.58 : 82,963.35 = 28,991.04 : x
  2. Step 2: Convert to fraction form
    55,292.58/82,963.35 = 28,991.04/x
  3. Step 3: Cross multiply
    55,292.58x = 82,963.35 × 28,991.04
  4. Step 4: Simplify right side
    55,292.58x = 2,405,193,798.38
  5. Step 5: Solve for x
    x = 2,405,193,798.38/55,292.58
  6. Step 6: Final answer
    x = 43,499.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.