Home / 93,013.38-128,357.82-50,571.93

Finding the Fourth Proportional to 93,013.38, 128,357.82 and 50,571.93

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Solution

The fourth proportional to 93,013.38, 128,357.82 and 50,571.93 is: 69,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,013.38 : 128,357.82 = 50,571.93 : x
  2. Step 2: Convert to fraction form
    93,013.38/128,357.82 = 50,571.93/x
  3. Step 3: Cross multiply
    93,013.38x = 128,357.82 × 50,571.93
  4. Step 4: Simplify right side
    93,013.38x = 6,491,302,687.99
  5. Step 5: Solve for x
    x = 6,491,302,687.99/93,013.38
  6. Step 6: Final answer
    x = 69,788.91

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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.