Home / 49,820.60-74,730.90-43,340.60

Finding the Fourth Proportional to 49,820.60, 74,730.90 and 43,340.60

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Solution

The fourth proportional to 49,820.60, 74,730.90 and 43,340.60 is: 65,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,820.60 : 74,730.90 = 43,340.60 : x
  2. Step 2: Convert to fraction form
    49,820.60/74,730.90 = 43,340.60/x
  3. Step 3: Cross multiply
    49,820.60x = 74,730.90 × 43,340.60
  4. Step 4: Simplify right side
    49,820.60x = 3,238,882,044.54
  5. Step 5: Solve for x
    x = 3,238,882,044.54/49,820.60
  6. Step 6: Final answer
    x = 65,010.90

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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.