Home / 56,997.97-78,654.77-31,503.03

Finding the Fourth Proportional to 56,997.97, 78,654.77 and 31,503.03

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Solution

The fourth proportional to 56,997.97, 78,654.77 and 31,503.03 is: 43,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,997.97 : 78,654.77 = 31,503.03 : x
  2. Step 2: Convert to fraction form
    56,997.97/78,654.77 = 31,503.03/x
  3. Step 3: Cross multiply
    56,997.97x = 78,654.77 × 31,503.03
  4. Step 4: Simplify right side
    56,997.97x = 2,477,863,421.44
  5. Step 5: Solve for x
    x = 2,477,863,421.44/56,997.97
  6. Step 6: Final answer
    x = 43,472.84

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1.5x scale

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.