Home / 69,106.11-95,374.17-38,898.78

Finding the Fourth Proportional to 69,106.11, 95,374.17 and 38,898.78

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Solution

The fourth proportional to 69,106.11, 95,374.17 and 38,898.78 is: 53,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,106.11 : 95,374.17 = 38,898.78 : x
  2. Step 2: Convert to fraction form
    69,106.11/95,374.17 = 38,898.78/x
  3. Step 3: Cross multiply
    69,106.11x = 95,374.17 × 38,898.78
  4. Step 4: Simplify right side
    69,106.11x = 3,709,938,856.51
  5. Step 5: Solve for x
    x = 3,709,938,856.51/69,106.11
  6. Step 6: Final answer
    x = 53,684.67

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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.