Home / 50,913.60-76,426.28-40,450.88

Finding the Fourth Proportional to 50,913.60, 76,426.28 and 40,450.88

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Solution

The fourth proportional to 50,913.60, 76,426.28 and 40,450.88 is: 60,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,913.60 : 76,426.28 = 40,450.88 : x
  2. Step 2: Convert to fraction form
    50,913.60/76,426.28 = 40,450.88/x
  3. Step 3: Cross multiply
    50,913.60x = 76,426.28 × 40,450.88
  4. Step 4: Simplify right side
    50,913.60x = 3,091,510,281.13
  5. Step 5: Solve for x
    x = 3,091,510,281.13/50,913.60
  6. Step 6: Final answer
    x = 60,720.72

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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.