Home / 54,798-75,621.78-29,648.04

Finding the Fourth Proportional to 54,798, 75,621.78 and 29,648.04

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Solution

The fourth proportional to 54,798, 75,621.78 and 29,648.04 is: 40,914.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,798 : 75,621.78 = 29,648.04 : x
  2. Step 2: Convert to fraction form
    54,798/75,621.78 = 29,648.04/x
  3. Step 3: Cross multiply
    54,798x = 75,621.78 × 29,648.04
  4. Step 4: Simplify right side
    54,798x = 2,242,037,558.31
  5. Step 5: Solve for x
    x = 2,242,037,558.31/54,798
  6. Step 6: Final answer
    x = 40,914.59

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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.