Home / 90,975.70-136,444.75-24,400

Finding the Fourth Proportional to 90,975.70, 136,444.75 and 24,400

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Solution

The fourth proportional to 90,975.70, 136,444.75 and 24,400 is: 36,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,975.70 : 136,444.75 = 24,400 : x
  2. Step 2: Convert to fraction form
    90,975.70/136,444.75 = 24,400/x
  3. Step 3: Cross multiply
    90,975.70x = 136,444.75 × 24,400
  4. Step 4: Simplify right side
    90,975.70x = 3,329,251,900
  5. Step 5: Solve for x
    x = 3,329,251,900/90,975.70
  6. Step 6: Final answer
    x = 36,594.96

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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.