Home / 104,523.30-144,243.72-56,777.58

Finding the Fourth Proportional to 104,523.30, 144,243.72 and 56,777.58

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Solution

The fourth proportional to 104,523.30, 144,243.72 and 56,777.58 is: 78,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,523.30 : 144,243.72 = 56,777.58 : x
  2. Step 2: Convert to fraction form
    104,523.30/144,243.72 = 56,777.58/x
  3. Step 3: Cross multiply
    104,523.30x = 144,243.72 × 56,777.58
  4. Step 4: Simplify right side
    104,523.30x = 8,189,809,351.80
  5. Step 5: Solve for x
    x = 8,189,809,351.80/104,523.30
  6. Step 6: Final answer
    x = 78,353.91

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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.