Home / 70,946.50-97,906.83-39,116.54

Finding the Fourth Proportional to 70,946.50, 97,906.83 and 39,116.54

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Solution

The fourth proportional to 70,946.50, 97,906.83 and 39,116.54 is: 53,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.50 : 97,906.83 = 39,116.54 : x
  2. Step 2: Convert to fraction form
    70,946.50/97,906.83 = 39,116.54/x
  3. Step 3: Cross multiply
    70,946.50x = 97,906.83 × 39,116.54
  4. Step 4: Simplify right side
    70,946.50x = 3,829,775,942.43
  5. Step 5: Solve for x
    x = 3,829,775,942.43/70,946.50
  6. Step 6: Final answer
    x = 53,981.18

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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.