Home / 76,880.03-115,319.34-24,289.50

Finding the Fourth Proportional to 76,880.03, 115,319.34 and 24,289.50

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Solution

The fourth proportional to 76,880.03, 115,319.34 and 24,289.50 is: 36,434.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,880.03 : 115,319.34 = 24,289.50 : x
  2. Step 2: Convert to fraction form
    76,880.03/115,319.34 = 24,289.50/x
  3. Step 3: Cross multiply
    76,880.03x = 115,319.34 × 24,289.50
  4. Step 4: Simplify right side
    76,880.03x = 2,801,049,108.93
  5. Step 5: Solve for x
    x = 2,801,049,108.93/76,880.03
  6. Step 6: Final answer
    x = 36,434.03

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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.