Home / 75,909.76-113,828.20-35,895.40

Finding the Fourth Proportional to 75,909.76, 113,828.20 and 35,895.40

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Solution

The fourth proportional to 75,909.76, 113,828.20 and 35,895.40 is: 53,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,909.76 : 113,828.20 = 35,895.40 : x
  2. Step 2: Convert to fraction form
    75,909.76/113,828.20 = 35,895.40/x
  3. Step 3: Cross multiply
    75,909.76x = 113,828.20 × 35,895.40
  4. Step 4: Simplify right side
    75,909.76x = 4,085,908,770.28
  5. Step 5: Solve for x
    x = 4,085,908,770.28/75,909.76
  6. Step 6: Final answer
    x = 53,825.87

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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.