Home / 73,029.96-109,528.20-20,444.76

Finding the Fourth Proportional to 73,029.96, 109,528.20 and 20,444.76

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Solution

The fourth proportional to 73,029.96, 109,528.20 and 20,444.76 is: 30,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,029.96 : 109,528.20 = 20,444.76 : x
  2. Step 2: Convert to fraction form
    73,029.96/109,528.20 = 20,444.76/x
  3. Step 3: Cross multiply
    73,029.96x = 109,528.20 × 20,444.76
  4. Step 4: Simplify right side
    73,029.96x = 2,239,277,762.23
  5. Step 5: Solve for x
    x = 2,239,277,762.23/73,029.96
  6. Step 6: Final answer
    x = 30,662.45

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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.