Home / 93,453.40-128,961.19-53,163.37

Finding the Fourth Proportional to 93,453.40, 128,961.19 and 53,163.37

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Solution

The fourth proportional to 93,453.40, 128,961.19 and 53,163.37 is: 73,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,453.40 : 128,961.19 = 53,163.37 : x
  2. Step 2: Convert to fraction form
    93,453.40/128,961.19 = 53,163.37/x
  3. Step 3: Cross multiply
    93,453.40x = 128,961.19 × 53,163.37
  4. Step 4: Simplify right side
    93,453.40x = 6,856,011,193.79
  5. Step 5: Solve for x
    x = 6,856,011,193.79/93,453.40
  6. Step 6: Final answer
    x = 73,362.89

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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.