Home / 90,646.88-125,100.60-52,933.28

Finding the Fourth Proportional to 90,646.88, 125,100.60 and 52,933.28

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Solution

The fourth proportional to 90,646.88, 125,100.60 and 52,933.28 is: 73,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,646.88 : 125,100.60 = 52,933.28 : x
  2. Step 2: Convert to fraction form
    90,646.88/125,100.60 = 52,933.28/x
  3. Step 3: Cross multiply
    90,646.88x = 125,100.60 × 52,933.28
  4. Step 4: Simplify right side
    90,646.88x = 6,621,985,087.97
  5. Step 5: Solve for x
    x = 6,621,985,087.97/90,646.88
  6. Step 6: Final answer
    x = 73,052.54

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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.