Home / 77,946.75-116,926.20-28,033.34

Finding the Fourth Proportional to 77,946.75, 116,926.20 and 28,033.34

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Solution

The fourth proportional to 77,946.75, 116,926.20 and 28,033.34 is: 42,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,946.75 : 116,926.20 = 28,033.34 : x
  2. Step 2: Convert to fraction form
    77,946.75/116,926.20 = 28,033.34/x
  3. Step 3: Cross multiply
    77,946.75x = 116,926.20 × 28,033.34
  4. Step 4: Simplify right side
    77,946.75x = 3,277,831,334.88
  5. Step 5: Solve for x
    x = 3,277,831,334.88/77,946.75
  6. Step 6: Final answer
    x = 42,052.19

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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.