Home / 54,384.06-75,064.68-35,520.78

Finding the Fourth Proportional to 54,384.06, 75,064.68 and 35,520.78

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Solution

The fourth proportional to 54,384.06, 75,064.68 and 35,520.78 is: 49,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,384.06 : 75,064.68 = 35,520.78 : x
  2. Step 2: Convert to fraction form
    54,384.06/75,064.68 = 35,520.78/x
  3. Step 3: Cross multiply
    54,384.06x = 75,064.68 × 35,520.78
  4. Step 4: Simplify right side
    54,384.06x = 2,666,355,984.05
  5. Step 5: Solve for x
    x = 2,666,355,984.05/54,384.06
  6. Step 6: Final answer
    x = 49,028.26

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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.