Home / 82,668.71-113,977.18-53,545.67

Finding the Fourth Proportional to 82,668.71, 113,977.18 and 53,545.67

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Solution

The fourth proportional to 82,668.71, 113,977.18 and 53,545.67 is: 73,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,668.71 : 113,977.18 = 53,545.67 : x
  2. Step 2: Convert to fraction form
    82,668.71/113,977.18 = 53,545.67/x
  3. Step 3: Cross multiply
    82,668.71x = 113,977.18 × 53,545.67
  4. Step 4: Simplify right side
    82,668.71x = 6,102,984,618.89
  5. Step 5: Solve for x
    x = 6,102,984,618.89/82,668.71
  6. Step 6: Final answer
    x = 73,824.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.