Home / 125,255.37-172,833.63-71,529

Finding the Fourth Proportional to 125,255.37, 172,833.63 and 71,529

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Solution

The fourth proportional to 125,255.37, 172,833.63 and 71,529 is: 98,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,255.37 : 172,833.63 = 71,529 : x
  2. Step 2: Convert to fraction form
    125,255.37/172,833.63 = 71,529/x
  3. Step 3: Cross multiply
    125,255.37x = 172,833.63 × 71,529
  4. Step 4: Simplify right side
    125,255.37x = 12,362,616,720.27
  5. Step 5: Solve for x
    x = 12,362,616,720.27/125,255.37
  6. Step 6: Final answer
    x = 98,699.30

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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.