Home / 54,455.89-75,153.12-30,583.97

Finding the Fourth Proportional to 54,455.89, 75,153.12 and 30,583.97

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Solution

The fourth proportional to 54,455.89, 75,153.12 and 30,583.97 is: 42,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,455.89 : 75,153.12 = 30,583.97 : x
  2. Step 2: Convert to fraction form
    54,455.89/75,153.12 = 30,583.97/x
  3. Step 3: Cross multiply
    54,455.89x = 75,153.12 × 30,583.97
  4. Step 4: Simplify right side
    54,455.89x = 2,298,480,767.49
  5. Step 5: Solve for x
    x = 2,298,480,767.49/54,455.89
  6. Step 6: Final answer
    x = 42,208.12

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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.