Home / 74,776.04-112,216.67-67,629.57

Finding the Fourth Proportional to 74,776.04, 112,216.67 and 67,629.57

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Solution

The fourth proportional to 74,776.04, 112,216.67 and 67,629.57 is: 101,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776.04 : 112,216.67 = 67,629.57 : x
  2. Step 2: Convert to fraction form
    74,776.04/112,216.67 = 67,629.57/x
  3. Step 3: Cross multiply
    74,776.04x = 112,216.67 × 67,629.57
  4. Step 4: Simplify right side
    74,776.04x = 7,589,164,800.78
  5. Step 5: Solve for x
    x = 7,589,164,800.78/74,776.04
  6. Step 6: Final answer
    x = 101,491.94

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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.