Home / 49,143.06-73,357.02-45,491.58

Finding the Fourth Proportional to 49,143.06, 73,357.02 and 45,491.58

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Solution

The fourth proportional to 49,143.06, 73,357.02 and 45,491.58 is: 67,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143.06 : 73,357.02 = 45,491.58 : x
  2. Step 2: Convert to fraction form
    49,143.06/73,357.02 = 45,491.58/x
  3. Step 3: Cross multiply
    49,143.06x = 73,357.02 × 45,491.58
  4. Step 4: Simplify right side
    49,143.06x = 3,337,126,743.89
  5. Step 5: Solve for x
    x = 3,337,126,743.89/49,143.06
  6. Step 6: Final answer
    x = 67,906.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.