Home / 73,024.54-109,555.03-20,433.57

Finding the Fourth Proportional to 73,024.54, 109,555.03 and 20,433.57

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Solution

The fourth proportional to 73,024.54, 109,555.03 and 20,433.57 is: 30,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,024.54 : 109,555.03 = 20,433.57 : x
  2. Step 2: Convert to fraction form
    73,024.54/109,555.03 = 20,433.57/x
  3. Step 3: Cross multiply
    73,024.54x = 109,555.03 × 20,433.57
  4. Step 4: Simplify right side
    73,024.54x = 2,238,599,989.07
  5. Step 5: Solve for x
    x = 2,238,599,989.07/73,024.54
  6. Step 6: Final answer
    x = 30,655.45

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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.