Home / 66,194.19-99,280.84-55,021.35

Finding the Fourth Proportional to 66,194.19, 99,280.84 and 55,021.35

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Solution

The fourth proportional to 66,194.19, 99,280.84 and 55,021.35 is: 82,523.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,194.19 : 99,280.84 = 55,021.35 : x
  2. Step 2: Convert to fraction form
    66,194.19/99,280.84 = 55,021.35/x
  3. Step 3: Cross multiply
    66,194.19x = 99,280.84 × 55,021.35
  4. Step 4: Simplify right side
    66,194.19x = 5,462,565,904.62
  5. Step 5: Solve for x
    x = 5,462,565,904.62/66,194.19
  6. Step 6: Final answer
    x = 82,523.35

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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.