Home / 73,029.55-109,502.07-28,604.29

Finding the Fourth Proportional to 73,029.55, 109,502.07 and 28,604.29

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Solution

The fourth proportional to 73,029.55, 109,502.07 and 28,604.29 is: 42,889.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,029.55 : 109,502.07 = 28,604.29 : x
  2. Step 2: Convert to fraction form
    73,029.55/109,502.07 = 28,604.29/x
  3. Step 3: Cross multiply
    73,029.55x = 109,502.07 × 28,604.29
  4. Step 4: Simplify right side
    73,029.55x = 3,132,228,965.88
  5. Step 5: Solve for x
    x = 3,132,228,965.88/73,029.55
  6. Step 6: Final answer
    x = 42,889.88

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1.5x scale

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.