Home / 74,628.46-111,826.05-43,057.90

Finding the Fourth Proportional to 74,628.46, 111,826.05 and 43,057.90

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Solution

The fourth proportional to 74,628.46, 111,826.05 and 43,057.90 is: 64,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628.46 : 111,826.05 = 43,057.90 : x
  2. Step 2: Convert to fraction form
    74,628.46/111,826.05 = 43,057.90/x
  3. Step 3: Cross multiply
    74,628.46x = 111,826.05 × 43,057.90
  4. Step 4: Simplify right side
    74,628.46x = 4,814,995,098.81
  5. Step 5: Solve for x
    x = 4,814,995,098.81/74,628.46
  6. Step 6: Final answer
    x = 64,519.55

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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.