Home / 125,845.93-173,628.28-71,389.14

Finding the Fourth Proportional to 125,845.93, 173,628.28 and 71,389.14

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Solution

The fourth proportional to 125,845.93, 173,628.28 and 71,389.14 is: 98,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,845.93 : 173,628.28 = 71,389.14 : x
  2. Step 2: Convert to fraction form
    125,845.93/173,628.28 = 71,389.14/x
  3. Step 3: Cross multiply
    125,845.93x = 173,628.28 × 71,389.14
  4. Step 4: Simplify right side
    125,845.93x = 12,395,173,588.88
  5. Step 5: Solve for x
    x = 12,395,173,588.88/125,845.93
  6. Step 6: Final answer
    x = 98,494.83

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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.