Home / 76,766.03-115,037.05-34,019.90

Finding the Fourth Proportional to 76,766.03, 115,037.05 and 34,019.90

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Solution

The fourth proportional to 76,766.03, 115,037.05 and 34,019.90 is: 50,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,766.03 : 115,037.05 = 34,019.90 : x
  2. Step 2: Convert to fraction form
    76,766.03/115,037.05 = 34,019.90/x
  3. Step 3: Cross multiply
    76,766.03x = 115,037.05 × 34,019.90
  4. Step 4: Simplify right side
    76,766.03x = 3,913,548,937.30
  5. Step 5: Solve for x
    x = 3,913,548,937.30/76,766.03
  6. Step 6: Final answer
    x = 50,980.22

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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.