Home / 67,240.74-100,923.45-33,984.21

Finding the Fourth Proportional to 67,240.74, 100,923.45 and 33,984.21

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Solution

The fourth proportional to 67,240.74, 100,923.45 and 33,984.21 is: 51,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,240.74 : 100,923.45 = 33,984.21 : x
  2. Step 2: Convert to fraction form
    67,240.74/100,923.45 = 33,984.21/x
  3. Step 3: Cross multiply
    67,240.74x = 100,923.45 × 33,984.21
  4. Step 4: Simplify right side
    67,240.74x = 3,429,803,718.72
  5. Step 5: Solve for x
    x = 3,429,803,718.72/67,240.74
  6. Step 6: Final answer
    x = 51,007.82

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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.