Home / 125,816.70-173,623.86-68,453.58

Finding the Fourth Proportional to 125,816.70, 173,623.86 and 68,453.58

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Solution

The fourth proportional to 125,816.70, 173,623.86 and 68,453.58 is: 94,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,816.70 : 173,623.86 = 68,453.58 : x
  2. Step 2: Convert to fraction form
    125,816.70/173,623.86 = 68,453.58/x
  3. Step 3: Cross multiply
    125,816.70x = 173,623.86 × 68,453.58
  4. Step 4: Simplify right side
    125,816.70x = 11,885,174,790.42
  5. Step 5: Solve for x
    x = 11,885,174,790.42/125,816.70
  6. Step 6: Final answer
    x = 94,464.21

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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.