Home / 69,626.11-104,453.63-31,657.28

Finding the Fourth Proportional to 69,626.11, 104,453.63 and 31,657.28

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Solution

The fourth proportional to 69,626.11, 104,453.63 and 31,657.28 is: 47,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,626.11 : 104,453.63 = 31,657.28 : x
  2. Step 2: Convert to fraction form
    69,626.11/104,453.63 = 31,657.28/x
  3. Step 3: Cross multiply
    69,626.11x = 104,453.63 × 31,657.28
  4. Step 4: Simplify right side
    69,626.11x = 3,306,717,748.60
  5. Step 5: Solve for x
    x = 3,306,717,748.60/69,626.11
  6. Step 6: Final answer
    x = 47,492.50

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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.