Home / 55,106.48-82,661.88-28,793.36

Finding the Fourth Proportional to 55,106.48, 82,661.88 and 28,793.36

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Solution

The fourth proportional to 55,106.48, 82,661.88 and 28,793.36 is: 43,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,106.48 : 82,661.88 = 28,793.36 : x
  2. Step 2: Convert to fraction form
    55,106.48/82,661.88 = 28,793.36/x
  3. Step 3: Cross multiply
    55,106.48x = 82,661.88 × 28,793.36
  4. Step 4: Simplify right side
    55,106.48x = 2,380,113,269.12
  5. Step 5: Solve for x
    x = 2,380,113,269.12/55,106.48
  6. Step 6: Final answer
    x = 43,191.17

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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.