Home / 126,122.56-174,056.64-69,533.60

Finding the Fourth Proportional to 126,122.56, 174,056.64 and 69,533.60

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Solution

The fourth proportional to 126,122.56, 174,056.64 and 69,533.60 is: 95,960.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,122.56 : 174,056.64 = 69,533.60 : x
  2. Step 2: Convert to fraction form
    126,122.56/174,056.64 = 69,533.60/x
  3. Step 3: Cross multiply
    126,122.56x = 174,056.64 × 69,533.60
  4. Step 4: Simplify right side
    126,122.56x = 12,102,784,783.10
  5. Step 5: Solve for x
    x = 12,102,784,783.10/126,122.56
  6. Step 6: Final answer
    x = 95,960.51

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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.