Home / 77,624.90-116,343.24-55,100.14

Finding the Fourth Proportional to 77,624.90, 116,343.24 and 55,100.14

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Solution

The fourth proportional to 77,624.90, 116,343.24 and 55,100.14 is: 82,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,624.90 : 116,343.24 = 55,100.14 : x
  2. Step 2: Convert to fraction form
    77,624.90/116,343.24 = 55,100.14/x
  3. Step 3: Cross multiply
    77,624.90x = 116,343.24 × 55,100.14
  4. Step 4: Simplify right side
    77,624.90x = 6,410,528,812.05
  5. Step 5: Solve for x
    x = 6,410,528,812.05/77,624.90
  6. Step 6: Final answer
    x = 82,583.41

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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.