Home / 125,623.47-173,351.38-71,907.70

Finding the Fourth Proportional to 125,623.47, 173,351.38 and 71,907.70

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Solution

The fourth proportional to 125,623.47, 173,351.38 and 71,907.70 is: 99,227.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,623.47 : 173,351.38 = 71,907.70 : x
  2. Step 2: Convert to fraction form
    125,623.47/173,351.38 = 71,907.70/x
  3. Step 3: Cross multiply
    125,623.47x = 173,351.38 × 71,907.70
  4. Step 4: Simplify right side
    125,623.47x = 12,465,299,027.63
  5. Step 5: Solve for x
    x = 12,465,299,027.63/125,623.47
  6. Step 6: Final answer
    x = 99,227.47

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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.