Home / 93,012.94-128,358.76-50,572.38

Finding the Fourth Proportional to 93,012.94, 128,358.76 and 50,572.38

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Solution

The fourth proportional to 93,012.94, 128,358.76 and 50,572.38 is: 69,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012.94 : 128,358.76 = 50,572.38 : x
  2. Step 2: Convert to fraction form
    93,012.94/128,358.76 = 50,572.38/x
  3. Step 3: Cross multiply
    93,012.94x = 128,358.76 × 50,572.38
  4. Step 4: Simplify right side
    93,012.94x = 6,491,407,987.05
  5. Step 5: Solve for x
    x = 6,491,407,987.05/93,012.94
  6. Step 6: Final answer
    x = 69,790.38

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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.