Home / 93,310.23-128,765.55-50,868.75

Finding the Fourth Proportional to 93,310.23, 128,765.55 and 50,868.75

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Solution

The fourth proportional to 93,310.23, 128,765.55 and 50,868.75 is: 70,197.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,310.23 : 128,765.55 = 50,868.75 : x
  2. Step 2: Convert to fraction form
    93,310.23/128,765.55 = 50,868.75/x
  3. Step 3: Cross multiply
    93,310.23x = 128,765.55 × 50,868.75
  4. Step 4: Simplify right side
    93,310.23x = 6,550,142,571.56
  5. Step 5: Solve for x
    x = 6,550,142,571.56/93,310.23
  6. Step 6: Final answer
    x = 70,197.48

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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.