Home / 76,180.23-105,138.68-45,982.62

Finding the Fourth Proportional to 76,180.23, 105,138.68 and 45,982.62

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Solution

The fourth proportional to 76,180.23, 105,138.68 and 45,982.62 is: 63,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,180.23 : 105,138.68 = 45,982.62 : x
  2. Step 2: Convert to fraction form
    76,180.23/105,138.68 = 45,982.62/x
  3. Step 3: Cross multiply
    76,180.23x = 105,138.68 × 45,982.62
  4. Step 4: Simplify right side
    76,180.23x = 4,834,551,739.83
  5. Step 5: Solve for x
    x = 4,834,551,739.83/76,180.23
  6. Step 6: Final answer
    x = 63,462.03

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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.