Home / 50,746.60-76,025.04-42,479.74

Finding the Fourth Proportional to 50,746.60, 76,025.04 and 42,479.74

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Solution

The fourth proportional to 50,746.60, 76,025.04 and 42,479.74 is: 63,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,746.60 : 76,025.04 = 42,479.74 : x
  2. Step 2: Convert to fraction form
    50,746.60/76,025.04 = 42,479.74/x
  3. Step 3: Cross multiply
    50,746.60x = 76,025.04 × 42,479.74
  4. Step 4: Simplify right side
    50,746.60x = 3,229,523,932.69
  5. Step 5: Solve for x
    x = 3,229,523,932.69/50,746.60
  6. Step 6: Final answer
    x = 63,640.20

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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.