Home / 93,213.69-139,806.10-51,114.54

Finding the Fourth Proportional to 93,213.69, 139,806.10 and 51,114.54

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Solution

The fourth proportional to 93,213.69, 139,806.10 and 51,114.54 is: 76,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,213.69 : 139,806.10 = 51,114.54 : x
  2. Step 2: Convert to fraction form
    93,213.69/139,806.10 = 51,114.54/x
  3. Step 3: Cross multiply
    93,213.69x = 139,806.10 × 51,114.54
  4. Step 4: Simplify right side
    93,213.69x = 7,146,124,235.12
  5. Step 5: Solve for x
    x = 7,146,124,235.12/93,213.69
  6. Step 6: Final answer
    x = 76,663.90

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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.