Home / 50,699.15-76,059.45-19,108.55

Finding the Fourth Proportional to 50,699.15, 76,059.45 and 19,108.55

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Solution

The fourth proportional to 50,699.15, 76,059.45 and 19,108.55 is: 28,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.15 : 76,059.45 = 19,108.55 : x
  2. Step 2: Convert to fraction form
    50,699.15/76,059.45 = 19,108.55/x
  3. Step 3: Cross multiply
    50,699.15x = 76,059.45 × 19,108.55
  4. Step 4: Simplify right side
    50,699.15x = 1,453,385,351.34
  5. Step 5: Solve for x
    x = 1,453,385,351.34/50,699.15
  6. Step 6: Final answer
    x = 28,666.86

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1.5x scale

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.