Home / 93,099.38-128,477.75-50,658.21

Finding the Fourth Proportional to 93,099.38, 128,477.75 and 50,658.21

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Solution

The fourth proportional to 93,099.38, 128,477.75 and 50,658.21 is: 69,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,099.38 : 128,477.75 = 50,658.21 : x
  2. Step 2: Convert to fraction form
    93,099.38/128,477.75 = 50,658.21/x
  3. Step 3: Cross multiply
    93,099.38x = 128,477.75 × 50,658.21
  4. Step 4: Simplify right side
    93,099.38x = 6,508,452,586.54
  5. Step 5: Solve for x
    x = 6,508,452,586.54/93,099.38
  6. Step 6: Final answer
    x = 69,908.66

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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.