Home / 62,620.08-86,421.69-35,766.60

Finding the Fourth Proportional to 62,620.08, 86,421.69 and 35,766.60

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Solution

The fourth proportional to 62,620.08, 86,421.69 and 35,766.60 is: 49,361.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,620.08 : 86,421.69 = 35,766.60 : x
  2. Step 2: Convert to fraction form
    62,620.08/86,421.69 = 35,766.60/x
  3. Step 3: Cross multiply
    62,620.08x = 86,421.69 × 35,766.60
  4. Step 4: Simplify right side
    62,620.08x = 3,091,010,017.55
  5. Step 5: Solve for x
    x = 3,091,010,017.55/62,620.08
  6. Step 6: Final answer
    x = 49,361.32

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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.