Home / 75,548.18-104,244.81-43,720.04

Finding the Fourth Proportional to 75,548.18, 104,244.81 and 43,720.04

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Solution

The fourth proportional to 75,548.18, 104,244.81 and 43,720.04 is: 60,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,548.18 : 104,244.81 = 43,720.04 : x
  2. Step 2: Convert to fraction form
    75,548.18/104,244.81 = 43,720.04/x
  3. Step 3: Cross multiply
    75,548.18x = 104,244.81 × 43,720.04
  4. Step 4: Simplify right side
    75,548.18x = 4,557,586,741.77
  5. Step 5: Solve for x
    x = 4,557,586,741.77/75,548.18
  6. Step 6: Final answer
    x = 60,326.89

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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.