Home / 93,418.76-128,916.96-50,976.92

Finding the Fourth Proportional to 93,418.76, 128,916.96 and 50,976.92

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Solution

The fourth proportional to 93,418.76, 128,916.96 and 50,976.92 is: 70,347.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418.76 : 128,916.96 = 50,976.92 : x
  2. Step 2: Convert to fraction form
    93,418.76/128,916.96 = 50,976.92/x
  3. Step 3: Cross multiply
    93,418.76x = 128,916.96 × 50,976.92
  4. Step 4: Simplify right side
    93,418.76x = 6,571,789,556.56
  5. Step 5: Solve for x
    x = 6,571,789,556.56/93,418.76
  6. Step 6: Final answer
    x = 70,347.64

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1.5x scale

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.