Home / 83,315.37-114,870.92-69,537.48

Finding the Fourth Proportional to 83,315.37, 114,870.92 and 69,537.48

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Solution

The fourth proportional to 83,315.37, 114,870.92 and 69,537.48 is: 95,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,315.37 : 114,870.92 = 69,537.48 : x
  2. Step 2: Convert to fraction form
    83,315.37/114,870.92 = 69,537.48/x
  3. Step 3: Cross multiply
    83,315.37x = 114,870.92 × 69,537.48
  4. Step 4: Simplify right side
    83,315.37x = 7,987,833,954.39
  5. Step 5: Solve for x
    x = 7,987,833,954.39/83,315.37
  6. Step 6: Final answer
    x = 95,874.67

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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.