Home / 83,995.02-125,994.96-31,394.43

Finding the Fourth Proportional to 83,995.02, 125,994.96 and 31,394.43

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Solution

The fourth proportional to 83,995.02, 125,994.96 and 31,394.43 is: 47,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,995.02 : 125,994.96 = 31,394.43 : x
  2. Step 2: Convert to fraction form
    83,995.02/125,994.96 = 31,394.43/x
  3. Step 3: Cross multiply
    83,995.02x = 125,994.96 × 31,394.43
  4. Step 4: Simplify right side
    83,995.02x = 3,955,539,952.07
  5. Step 5: Solve for x
    x = 3,955,539,952.07/83,995.02
  6. Step 6: Final answer
    x = 47,092.55

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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.