Home / 57,201.93-78,891.86-40,262.25

Finding the Fourth Proportional to 57,201.93, 78,891.86 and 40,262.25

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Solution

The fourth proportional to 57,201.93, 78,891.86 and 40,262.25 is: 55,528.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,201.93 : 78,891.86 = 40,262.25 : x
  2. Step 2: Convert to fraction form
    57,201.93/78,891.86 = 40,262.25/x
  3. Step 3: Cross multiply
    57,201.93x = 78,891.86 × 40,262.25
  4. Step 4: Simplify right side
    57,201.93x = 3,176,363,890.94
  5. Step 5: Solve for x
    x = 3,176,363,890.94/57,201.93
  6. Step 6: Final answer
    x = 55,528.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.