Home / 125,845.68-173,627.93-71,388.89

Finding the Fourth Proportional to 125,845.68, 173,627.93 and 71,388.89

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Solution

The fourth proportional to 125,845.68, 173,627.93 and 71,388.89 is: 98,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,845.68 : 173,627.93 = 71,388.89 : x
  2. Step 2: Convert to fraction form
    125,845.68/173,627.93 = 71,388.89/x
  3. Step 3: Cross multiply
    125,845.68x = 173,627.93 × 71,388.89
  4. Step 4: Simplify right side
    125,845.68x = 12,395,104,506.03
  5. Step 5: Solve for x
    x = 12,395,104,506.03/125,845.68
  6. Step 6: Final answer
    x = 98,494.48

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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.