Home / 93,013.74-128,364.21-50,571.36

Finding the Fourth Proportional to 93,013.74, 128,364.21 and 50,571.36

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Solution

The fourth proportional to 93,013.74, 128,364.21 and 50,571.36 is: 69,791.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,013.74 : 128,364.21 = 50,571.36 : x
  2. Step 2: Convert to fraction form
    93,013.74/128,364.21 = 50,571.36/x
  3. Step 3: Cross multiply
    93,013.74x = 128,364.21 × 50,571.36
  4. Step 4: Simplify right side
    93,013.74x = 6,491,552,675.03
  5. Step 5: Solve for x
    x = 6,491,552,675.03/93,013.74
  6. Step 6: Final answer
    x = 69,791.33

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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.