Home / 76,186.20-105,143.46-44,365.08

Finding the Fourth Proportional to 76,186.20, 105,143.46 and 44,365.08

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Solution

The fourth proportional to 76,186.20, 105,143.46 and 44,365.08 is: 61,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,186.20 : 105,143.46 = 44,365.08 : x
  2. Step 2: Convert to fraction form
    76,186.20/105,143.46 = 44,365.08/x
  3. Step 3: Cross multiply
    76,186.20x = 105,143.46 × 44,365.08
  4. Step 4: Simplify right side
    76,186.20x = 4,664,698,014.38
  5. Step 5: Solve for x
    x = 4,664,698,014.38/76,186.20
  6. Step 6: Final answer
    x = 61,227.60

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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.