Home / 125,600.04-173,357.82-71,915.94

Finding the Fourth Proportional to 125,600.04, 173,357.82 and 71,915.94

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Solution

The fourth proportional to 125,600.04, 173,357.82 and 71,915.94 is: 99,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,600.04 : 173,357.82 = 71,915.94 : x
  2. Step 2: Convert to fraction form
    125,600.04/173,357.82 = 71,915.94/x
  3. Step 3: Cross multiply
    125,600.04x = 173,357.82 × 71,915.94
  4. Step 4: Simplify right side
    125,600.04x = 12,467,190,581.65
  5. Step 5: Solve for x
    x = 12,467,190,581.65/125,600.04
  6. Step 6: Final answer
    x = 99,261.04

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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.