Home / 75,456.56-113,188.62-28,713.08

Finding the Fourth Proportional to 75,456.56, 113,188.62 and 28,713.08

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Solution

The fourth proportional to 75,456.56, 113,188.62 and 28,713.08 is: 43,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,456.56 : 113,188.62 = 28,713.08 : x
  2. Step 2: Convert to fraction form
    75,456.56/113,188.62 = 28,713.08/x
  3. Step 3: Cross multiply
    75,456.56x = 113,188.62 × 28,713.08
  4. Step 4: Simplify right side
    75,456.56x = 3,249,993,901.15
  5. Step 5: Solve for x
    x = 3,249,993,901.15/75,456.56
  6. Step 6: Final answer
    x = 43,071.06

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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.