Home / 77,395.10-116,133.24-56,222.75

Finding the Fourth Proportional to 77,395.10, 116,133.24 and 56,222.75

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Solution

The fourth proportional to 77,395.10, 116,133.24 and 56,222.75 is: 84,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,395.10 : 116,133.24 = 56,222.75 : x
  2. Step 2: Convert to fraction form
    77,395.10/116,133.24 = 56,222.75/x
  3. Step 3: Cross multiply
    77,395.10x = 116,133.24 × 56,222.75
  4. Step 4: Simplify right side
    77,395.10x = 6,529,329,538.54
  5. Step 5: Solve for x
    x = 6,529,329,538.54/77,395.10
  6. Step 6: Final answer
    x = 84,363.61

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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.