Home / 76,223.74-105,206.24-50,731.18

Finding the Fourth Proportional to 76,223.74, 105,206.24 and 50,731.18

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Solution

The fourth proportional to 76,223.74, 105,206.24 and 50,731.18 is: 70,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,223.74 : 105,206.24 = 50,731.18 : x
  2. Step 2: Convert to fraction form
    76,223.74/105,206.24 = 50,731.18/x
  3. Step 3: Cross multiply
    76,223.74x = 105,206.24 × 50,731.18
  4. Step 4: Simplify right side
    76,223.74x = 5,337,236,698.56
  5. Step 5: Solve for x
    x = 5,337,236,698.56/76,223.74
  6. Step 6: Final answer
    x = 70,020.66

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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.