Home / 83,825.89-125,723.95-27,666.77

Finding the Fourth Proportional to 83,825.89, 125,723.95 and 27,666.77

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Solution

The fourth proportional to 83,825.89, 125,723.95 and 27,666.77 is: 41,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,825.89 : 125,723.95 = 27,666.77 : x
  2. Step 2: Convert to fraction form
    83,825.89/125,723.95 = 27,666.77/x
  3. Step 3: Cross multiply
    83,825.89x = 125,723.95 × 27,666.77
  4. Step 4: Simplify right side
    83,825.89x = 3,478,374,910.35
  5. Step 5: Solve for x
    x = 3,478,374,910.35/83,825.89
  6. Step 6: Final answer
    x = 41,495.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.