Home / 76,330.54-105,314.61-49,474.18

Finding the Fourth Proportional to 76,330.54, 105,314.61 and 49,474.18

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Solution

The fourth proportional to 76,330.54, 105,314.61 and 49,474.18 is: 68,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,330.54 : 105,314.61 = 49,474.18 : x
  2. Step 2: Convert to fraction form
    76,330.54/105,314.61 = 49,474.18/x
  3. Step 3: Cross multiply
    76,330.54x = 105,314.61 × 49,474.18
  4. Step 4: Simplify right side
    76,330.54x = 5,210,353,971.77
  5. Step 5: Solve for x
    x = 5,210,353,971.77/76,330.54
  6. Step 6: Final answer
    x = 68,260.41

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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.