Home / 115,476.84-173,226.20-45,339.75

Finding the Fourth Proportional to 115,476.84, 173,226.20 and 45,339.75

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Solution

The fourth proportional to 115,476.84, 173,226.20 and 45,339.75 is: 68,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,476.84 : 173,226.20 = 45,339.75 : x
  2. Step 2: Convert to fraction form
    115,476.84/173,226.20 = 45,339.75/x
  3. Step 3: Cross multiply
    115,476.84x = 173,226.20 × 45,339.75
  4. Step 4: Simplify right side
    115,476.84x = 7,854,032,374.75
  5. Step 5: Solve for x
    x = 7,854,032,374.75/115,476.84
  6. Step 6: Final answer
    x = 68,013.92

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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.