Home / 78,049.94-116,956.65-51,660.14

Finding the Fourth Proportional to 78,049.94, 116,956.65 and 51,660.14

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Solution

The fourth proportional to 78,049.94, 116,956.65 and 51,660.14 is: 77,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,049.94 : 116,956.65 = 51,660.14 : x
  2. Step 2: Convert to fraction form
    78,049.94/116,956.65 = 51,660.14/x
  3. Step 3: Cross multiply
    78,049.94x = 116,956.65 × 51,660.14
  4. Step 4: Simplify right side
    78,049.94x = 6,041,996,912.93
  5. Step 5: Solve for x
    x = 6,041,996,912.93/78,049.94
  6. Step 6: Final answer
    x = 77,411.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.