Home / 51,566.10-77,196-28,121.46

Finding the Fourth Proportional to 51,566.10, 77,196 and 28,121.46

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Solution

The fourth proportional to 51,566.10, 77,196 and 28,121.46 is: 42,098.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,566.10 : 77,196 = 28,121.46 : x
  2. Step 2: Convert to fraction form
    51,566.10/77,196 = 28,121.46/x
  3. Step 3: Cross multiply
    51,566.10x = 77,196 × 28,121.46
  4. Step 4: Simplify right side
    51,566.10x = 2,170,864,226.16
  5. Step 5: Solve for x
    x = 2,170,864,226.16/51,566.10
  6. Step 6: Final answer
    x = 42,098.67

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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.