Home / 116,541.87-160,823.12-65,555.61

Finding the Fourth Proportional to 116,541.87, 160,823.12 and 65,555.61

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Solution

The fourth proportional to 116,541.87, 160,823.12 and 65,555.61 is: 90,464.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,541.87 : 160,823.12 = 65,555.61 : x
  2. Step 2: Convert to fraction form
    116,541.87/160,823.12 = 65,555.61/x
  3. Step 3: Cross multiply
    116,541.87x = 160,823.12 × 65,555.61
  4. Step 4: Simplify right side
    116,541.87x = 10,542,857,405.93
  5. Step 5: Solve for x
    x = 10,542,857,405.93/116,541.87
  6. Step 6: Final answer
    x = 90,464.12

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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.