Home / 54,071.09-74,617.86-29,872.05

Finding the Fourth Proportional to 54,071.09, 74,617.86 and 29,872.05

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Solution

The fourth proportional to 54,071.09, 74,617.86 and 29,872.05 is: 41,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.09 : 74,617.86 = 29,872.05 : x
  2. Step 2: Convert to fraction form
    54,071.09/74,617.86 = 29,872.05/x
  3. Step 3: Cross multiply
    54,071.09x = 74,617.86 × 29,872.05
  4. Step 4: Simplify right side
    54,071.09x = 2,228,988,444.81
  5. Step 5: Solve for x
    x = 2,228,988,444.81/54,071.09
  6. Step 6: Final answer
    x = 41,223.30

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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.