Home / 125,512-173,204.36-68,922.98

Finding the Fourth Proportional to 125,512, 173,204.36 and 68,922.98

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Solution

The fourth proportional to 125,512, 173,204.36 and 68,922.98 is: 95,112.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,512 : 173,204.36 = 68,922.98 : x
  2. Step 2: Convert to fraction form
    125,512/173,204.36 = 68,922.98/x
  3. Step 3: Cross multiply
    125,512x = 173,204.36 × 68,922.98
  4. Step 4: Simplify right side
    125,512x = 11,937,760,640.19
  5. Step 5: Solve for x
    x = 11,937,760,640.19/125,512
  6. Step 6: Final answer
    x = 95,112.50

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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.