Home / 70,546.46-105,822.94-17,956.40

Finding the Fourth Proportional to 70,546.46, 105,822.94 and 17,956.40

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Solution

The fourth proportional to 70,546.46, 105,822.94 and 17,956.40 is: 26,935.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,546.46 : 105,822.94 = 17,956.40 : x
  2. Step 2: Convert to fraction form
    70,546.46/105,822.94 = 17,956.40/x
  3. Step 3: Cross multiply
    70,546.46x = 105,822.94 × 17,956.40
  4. Step 4: Simplify right side
    70,546.46x = 1,900,199,039.82
  5. Step 5: Solve for x
    x = 1,900,199,039.82/70,546.46
  6. Step 6: Final answer
    x = 26,935.43

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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.