Home / 77,435.64-116,153.10-51,134.10

Finding the Fourth Proportional to 77,435.64, 116,153.10 and 51,134.10

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Solution

The fourth proportional to 77,435.64, 116,153.10 and 51,134.10 is: 76,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,435.64 : 116,153.10 = 51,134.10 : x
  2. Step 2: Convert to fraction form
    77,435.64/116,153.10 = 51,134.10/x
  3. Step 3: Cross multiply
    77,435.64x = 116,153.10 × 51,134.10
  4. Step 4: Simplify right side
    77,435.64x = 5,939,384,230.71
  5. Step 5: Solve for x
    x = 5,939,384,230.71/77,435.64
  6. Step 6: Final answer
    x = 76,700.91

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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.