Home / 76,312.80-114,507.07-34,222.57

Finding the Fourth Proportional to 76,312.80, 114,507.07 and 34,222.57

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Solution

The fourth proportional to 76,312.80, 114,507.07 and 34,222.57 is: 51,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,312.80 : 114,507.07 = 34,222.57 : x
  2. Step 2: Convert to fraction form
    76,312.80/114,507.07 = 34,222.57/x
  3. Step 3: Cross multiply
    76,312.80x = 114,507.07 × 34,222.57
  4. Step 4: Simplify right side
    76,312.80x = 3,918,725,846.75
  5. Step 5: Solve for x
    x = 3,918,725,846.75/76,312.80
  6. Step 6: Final answer
    x = 51,350.83

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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.