Home / 56,656.44-84,997.50-18,708.36

Finding the Fourth Proportional to 56,656.44, 84,997.50 and 18,708.36

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Solution

The fourth proportional to 56,656.44, 84,997.50 and 18,708.36 is: 28,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,656.44 : 84,997.50 = 18,708.36 : x
  2. Step 2: Convert to fraction form
    56,656.44/84,997.50 = 18,708.36/x
  3. Step 3: Cross multiply
    56,656.44x = 84,997.50 × 18,708.36
  4. Step 4: Simplify right side
    56,656.44x = 1,590,163,829.10
  5. Step 5: Solve for x
    x = 1,590,163,829.10/56,656.44
  6. Step 6: Final answer
    x = 28,066.78

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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.