Home / 83,985.52-125,996.05-27,822.45

Finding the Fourth Proportional to 83,985.52, 125,996.05 and 27,822.45

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Solution

The fourth proportional to 83,985.52, 125,996.05 and 27,822.45 is: 41,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,985.52 : 125,996.05 = 27,822.45 : x
  2. Step 2: Convert to fraction form
    83,985.52/125,996.05 = 27,822.45/x
  3. Step 3: Cross multiply
    83,985.52x = 125,996.05 × 27,822.45
  4. Step 4: Simplify right side
    83,985.52x = 3,505,518,801.32
  5. Step 5: Solve for x
    x = 3,505,518,801.32/83,985.52
  6. Step 6: Final answer
    x = 41,739.56

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1.5x scale

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.