Home / 90,051.89-124,201.55-63,845.82

Finding the Fourth Proportional to 90,051.89, 124,201.55 and 63,845.82

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Solution

The fourth proportional to 90,051.89, 124,201.55 and 63,845.82 is: 88,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,051.89 : 124,201.55 = 63,845.82 : x
  2. Step 2: Convert to fraction form
    90,051.89/124,201.55 = 63,845.82/x
  3. Step 3: Cross multiply
    90,051.89x = 124,201.55 × 63,845.82
  4. Step 4: Simplify right side
    90,051.89x = 7,929,749,964.64
  5. Step 5: Solve for x
    x = 7,929,749,964.64/90,051.89
  6. Step 6: Final answer
    x = 88,057.57

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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.