Home / 66,880.28-100,315.30-24,740.55

Finding the Fourth Proportional to 66,880.28, 100,315.30 and 24,740.55

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Solution

The fourth proportional to 66,880.28, 100,315.30 and 24,740.55 is: 37,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,880.28 : 100,315.30 = 24,740.55 : x
  2. Step 2: Convert to fraction form
    66,880.28/100,315.30 = 24,740.55/x
  3. Step 3: Cross multiply
    66,880.28x = 100,315.30 × 24,740.55
  4. Step 4: Simplify right side
    66,880.28x = 2,481,855,786.23
  5. Step 5: Solve for x
    x = 2,481,855,786.23/66,880.28
  6. Step 6: Final answer
    x = 37,108.93

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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.