Home / 75,725.10-113,548.14-28,301.22

Finding the Fourth Proportional to 75,725.10, 113,548.14 and 28,301.22

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Solution

The fourth proportional to 75,725.10, 113,548.14 and 28,301.22 is: 42,437.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.10 : 113,548.14 = 28,301.22 : x
  2. Step 2: Convert to fraction form
    75,725.10/113,548.14 = 28,301.22/x
  3. Step 3: Cross multiply
    75,725.10x = 113,548.14 × 28,301.22
  4. Step 4: Simplify right side
    75,725.10x = 3,213,550,890.73
  5. Step 5: Solve for x
    x = 3,213,550,890.73/75,725.10
  6. Step 6: Final answer
    x = 42,437.06

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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.