Home / 93,216.45-128,638.62-50,775.03

Finding the Fourth Proportional to 93,216.45, 128,638.62 and 50,775.03

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Solution

The fourth proportional to 93,216.45, 128,638.62 and 50,775.03 is: 70,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,216.45 : 128,638.62 = 50,775.03 : x
  2. Step 2: Convert to fraction form
    93,216.45/128,638.62 = 50,775.03/x
  3. Step 3: Cross multiply
    93,216.45x = 128,638.62 × 50,775.03
  4. Step 4: Simplify right side
    93,216.45x = 6,531,629,789.66
  5. Step 5: Solve for x
    x = 6,531,629,789.66/93,216.45
  6. Step 6: Final answer
    x = 70,069.50

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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.