Home / 76,174.83-105,157.17-50,723.55

Finding the Fourth Proportional to 76,174.83, 105,157.17 and 50,723.55

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Solution

The fourth proportional to 76,174.83, 105,157.17 and 50,723.55 is: 70,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,174.83 : 105,157.17 = 50,723.55 : x
  2. Step 2: Convert to fraction form
    76,174.83/105,157.17 = 50,723.55/x
  3. Step 3: Cross multiply
    76,174.83x = 105,157.17 × 50,723.55
  4. Step 4: Simplify right side
    76,174.83x = 5,333,944,970.35
  5. Step 5: Solve for x
    x = 5,333,944,970.35/76,174.83
  6. Step 6: Final answer
    x = 70,022.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.