Home / 76,464.76-105,530.70-48,169.96

Finding the Fourth Proportional to 76,464.76, 105,530.70 and 48,169.96

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Solution

The fourth proportional to 76,464.76, 105,530.70 and 48,169.96 is: 66,480.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,464.76 : 105,530.70 = 48,169.96 : x
  2. Step 2: Convert to fraction form
    76,464.76/105,530.70 = 48,169.96/x
  3. Step 3: Cross multiply
    76,464.76x = 105,530.70 × 48,169.96
  4. Step 4: Simplify right side
    76,464.76x = 5,083,409,597.77
  5. Step 5: Solve for x
    x = 5,083,409,597.77/76,464.76
  6. Step 6: Final answer
    x = 66,480.42

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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.