Home / 63,110.20-94,682.28-20,997.08

Finding the Fourth Proportional to 63,110.20, 94,682.28 and 20,997.08

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Solution

The fourth proportional to 63,110.20, 94,682.28 and 20,997.08 is: 31,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,110.20 : 94,682.28 = 20,997.08 : x
  2. Step 2: Convert to fraction form
    63,110.20/94,682.28 = 20,997.08/x
  3. Step 3: Cross multiply
    63,110.20x = 94,682.28 × 20,997.08
  4. Step 4: Simplify right side
    63,110.20x = 1,988,051,407.74
  5. Step 5: Solve for x
    x = 1,988,051,407.74/63,110.20
  6. Step 6: Final answer
    x = 31,501.27

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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.