Home / 93,201.72-128,618.51-50,760.42

Finding the Fourth Proportional to 93,201.72, 128,618.51 and 50,760.42

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Solution

The fourth proportional to 93,201.72, 128,618.51 and 50,760.42 is: 70,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,201.72 : 128,618.51 = 50,760.42 : x
  2. Step 2: Convert to fraction form
    93,201.72/128,618.51 = 50,760.42/x
  3. Step 3: Cross multiply
    93,201.72x = 128,618.51 × 50,760.42
  4. Step 4: Simplify right side
    93,201.72x = 6,528,729,587.37
  5. Step 5: Solve for x
    x = 6,528,729,587.37/93,201.72
  6. Step 6: Final answer
    x = 70,049.45

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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.