Home / 54,530.03-81,785.52-14,549.51

Finding the Fourth Proportional to 54,530.03, 81,785.52 and 14,549.51

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Solution

The fourth proportional to 54,530.03, 81,785.52 and 14,549.51 is: 21,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,530.03 : 81,785.52 = 14,549.51 : x
  2. Step 2: Convert to fraction form
    54,530.03/81,785.52 = 14,549.51/x
  3. Step 3: Cross multiply
    54,530.03x = 81,785.52 × 14,549.51
  4. Step 4: Simplify right side
    54,530.03x = 1,189,938,832.17
  5. Step 5: Solve for x
    x = 1,189,938,832.17/54,530.03
  6. Step 6: Final answer
    x = 21,821.72

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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.