Home / 76,181.39-105,095.42-49,332.53

Finding the Fourth Proportional to 76,181.39, 105,095.42 and 49,332.53

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Solution

The fourth proportional to 76,181.39, 105,095.42 and 49,332.53 is: 68,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,181.39 : 105,095.42 = 49,332.53 : x
  2. Step 2: Convert to fraction form
    76,181.39/105,095.42 = 49,332.53/x
  3. Step 3: Cross multiply
    76,181.39x = 105,095.42 × 49,332.53
  4. Step 4: Simplify right side
    76,181.39x = 5,184,622,976.09
  5. Step 5: Solve for x
    x = 5,184,622,976.09/76,181.39
  6. Step 6: Final answer
    x = 68,056.30

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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.