Home / 69,541.20-95,959.80-42,684.84

Finding the Fourth Proportional to 69,541.20, 95,959.80 and 42,684.84

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Solution

The fourth proportional to 69,541.20, 95,959.80 and 42,684.84 is: 58,900.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,541.20 : 95,959.80 = 42,684.84 : x
  2. Step 2: Convert to fraction form
    69,541.20/95,959.80 = 42,684.84/x
  3. Step 3: Cross multiply
    69,541.20x = 95,959.80 × 42,684.84
  4. Step 4: Simplify right side
    69,541.20x = 4,096,028,709.43
  5. Step 5: Solve for x
    x = 4,096,028,709.43/69,541.20
  6. Step 6: Final answer
    x = 58,900.75

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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.