Home / 75,867.80-113,716.84-28,437.24

Finding the Fourth Proportional to 75,867.80, 113,716.84 and 28,437.24

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Solution

The fourth proportional to 75,867.80, 113,716.84 and 28,437.24 is: 42,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,867.80 : 113,716.84 = 28,437.24 : x
  2. Step 2: Convert to fraction form
    75,867.80/113,716.84 = 28,437.24/x
  3. Step 3: Cross multiply
    75,867.80x = 113,716.84 × 28,437.24
  4. Step 4: Simplify right side
    75,867.80x = 3,233,793,071.12
  5. Step 5: Solve for x
    x = 3,233,793,071.12/75,867.80
  6. Step 6: Final answer
    x = 42,624.05

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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.