Home / 77,382.10-116,073.18-51,080.68

Finding the Fourth Proportional to 77,382.10, 116,073.18 and 51,080.68

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Solution

The fourth proportional to 77,382.10, 116,073.18 and 51,080.68 is: 76,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,382.10 : 116,073.18 = 51,080.68 : x
  2. Step 2: Convert to fraction form
    77,382.10/116,073.18 = 51,080.68/x
  3. Step 3: Cross multiply
    77,382.10x = 116,073.18 × 51,080.68
  4. Step 4: Simplify right side
    77,382.10x = 5,929,096,964.16
  5. Step 5: Solve for x
    x = 5,929,096,964.16/77,382.10
  6. Step 6: Final answer
    x = 76,621.04

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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.