Home / 70,552.16-105,826.62-17,961.70

Finding the Fourth Proportional to 70,552.16, 105,826.62 and 17,961.70

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Solution

The fourth proportional to 70,552.16, 105,826.62 and 17,961.70 is: 26,942.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,552.16 : 105,826.62 = 17,961.70 : x
  2. Step 2: Convert to fraction form
    70,552.16/105,826.62 = 17,961.70/x
  3. Step 3: Cross multiply
    70,552.16x = 105,826.62 × 17,961.70
  4. Step 4: Simplify right side
    70,552.16x = 1,900,826,000.45
  5. Step 5: Solve for x
    x = 1,900,826,000.45/70,552.16
  6. Step 6: Final answer
    x = 26,942.14

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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.