Home / 77,815.35-116,704.60-35,669.16

Finding the Fourth Proportional to 77,815.35, 116,704.60 and 35,669.16

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Solution

The fourth proportional to 77,815.35, 116,704.60 and 35,669.16 is: 53,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,815.35 : 116,704.60 = 35,669.16 : x
  2. Step 2: Convert to fraction form
    77,815.35/116,704.60 = 35,669.16/x
  3. Step 3: Cross multiply
    77,815.35x = 116,704.60 × 35,669.16
  4. Step 4: Simplify right side
    77,815.35x = 4,162,754,960.96
  5. Step 5: Solve for x
    x = 4,162,754,960.96/77,815.35
  6. Step 6: Final answer
    x = 53,495.29

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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.