Home / 125,531.79-173,233.34-68,170.71

Finding the Fourth Proportional to 125,531.79, 173,233.34 and 68,170.71

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Solution

The fourth proportional to 125,531.79, 173,233.34 and 68,170.71 is: 94,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,531.79 : 173,233.34 = 68,170.71 : x
  2. Step 2: Convert to fraction form
    125,531.79/173,233.34 = 68,170.71/x
  3. Step 3: Cross multiply
    125,531.79x = 173,233.34 × 68,170.71
  4. Step 4: Simplify right side
    125,531.79x = 11,809,440,013.91
  5. Step 5: Solve for x
    x = 11,809,440,013.91/125,531.79
  6. Step 6: Final answer
    x = 94,075.29

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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.