Home / 91,025.20-136,515.92-46,629.10

Finding the Fourth Proportional to 91,025.20, 136,515.92 and 46,629.10

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Solution

The fourth proportional to 91,025.20, 136,515.92 and 46,629.10 is: 69,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,025.20 : 136,515.92 = 46,629.10 : x
  2. Step 2: Convert to fraction form
    91,025.20/136,515.92 = 46,629.10/x
  3. Step 3: Cross multiply
    91,025.20x = 136,515.92 × 46,629.10
  4. Step 4: Simplify right side
    91,025.20x = 6,365,614,422.77
  5. Step 5: Solve for x
    x = 6,365,614,422.77/91,025.20
  6. Step 6: Final answer
    x = 69,932.44

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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.