Home / 93,212.20-128,633.46-50,770.36

Finding the Fourth Proportional to 93,212.20, 128,633.46 and 50,770.36

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Solution

The fourth proportional to 93,212.20, 128,633.46 and 50,770.36 is: 70,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,212.20 : 128,633.46 = 50,770.36 : x
  2. Step 2: Convert to fraction form
    93,212.20/128,633.46 = 50,770.36/x
  3. Step 3: Cross multiply
    93,212.20x = 128,633.46 × 50,770.36
  4. Step 4: Simplify right side
    93,212.20x = 6,530,767,072.25
  5. Step 5: Solve for x
    x = 6,530,767,072.25/93,212.20
  6. Step 6: Final answer
    x = 70,063.44

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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.