Home / 76,138.33-105,071.04-41,682.55

Finding the Fourth Proportional to 76,138.33, 105,071.04 and 41,682.55

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Solution

The fourth proportional to 76,138.33, 105,071.04 and 41,682.55 is: 57,522.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,138.33 : 105,071.04 = 41,682.55 : x
  2. Step 2: Convert to fraction form
    76,138.33/105,071.04 = 41,682.55/x
  3. Step 3: Cross multiply
    76,138.33x = 105,071.04 × 41,682.55
  4. Step 4: Simplify right side
    76,138.33x = 4,379,628,878.35
  5. Step 5: Solve for x
    x = 4,379,628,878.35/76,138.33
  6. Step 6: Final answer
    x = 57,522.00

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1.5x scale

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.