Home / 70,660.04-105,759.30-51,935.12

Finding the Fourth Proportional to 70,660.04, 105,759.30 and 51,935.12

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Solution

The fourth proportional to 70,660.04, 105,759.30 and 51,935.12 is: 77,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.04 : 105,759.30 = 51,935.12 : x
  2. Step 2: Convert to fraction form
    70,660.04/105,759.30 = 51,935.12/x
  3. Step 3: Cross multiply
    70,660.04x = 105,759.30 × 51,935.12
  4. Step 4: Simplify right side
    70,660.04x = 5,492,621,936.62
  5. Step 5: Solve for x
    x = 5,492,621,936.62/70,660.04
  6. Step 6: Final answer
    x = 77,733.07

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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.