Home / 69,124.29-103,605.51-26,401.71

Finding the Fourth Proportional to 69,124.29, 103,605.51 and 26,401.71

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Solution

The fourth proportional to 69,124.29, 103,605.51 and 26,401.71 is: 39,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124.29 : 103,605.51 = 26,401.71 : x
  2. Step 2: Convert to fraction form
    69,124.29/103,605.51 = 26,401.71/x
  3. Step 3: Cross multiply
    69,124.29x = 103,605.51 × 26,401.71
  4. Step 4: Simplify right side
    69,124.29x = 2,735,363,116.95
  5. Step 5: Solve for x
    x = 2,735,363,116.95/69,124.29
  6. Step 6: Final answer
    x = 39,571.67

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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.