Home / 104,030.56-156,029.64-33,909.40

Finding the Fourth Proportional to 104,030.56, 156,029.64 and 33,909.40

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Solution

The fourth proportional to 104,030.56, 156,029.64 and 33,909.40 is: 50,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,030.56 : 156,029.64 = 33,909.40 : x
  2. Step 2: Convert to fraction form
    104,030.56/156,029.64 = 33,909.40/x
  3. Step 3: Cross multiply
    104,030.56x = 156,029.64 × 33,909.40
  4. Step 4: Simplify right side
    104,030.56x = 5,290,871,474.62
  5. Step 5: Solve for x
    x = 5,290,871,474.62/104,030.56
  6. Step 6: Final answer
    x = 50,858.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.