Home / 90,922.50-125,473.05-53,204.04

Finding the Fourth Proportional to 90,922.50, 125,473.05 and 53,204.04

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Solution

The fourth proportional to 90,922.50, 125,473.05 and 53,204.04 is: 73,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,922.50 : 125,473.05 = 53,204.04 : x
  2. Step 2: Convert to fraction form
    90,922.50/125,473.05 = 53,204.04/x
  3. Step 3: Cross multiply
    90,922.50x = 125,473.05 × 53,204.04
  4. Step 4: Simplify right side
    90,922.50x = 6,675,673,171.12
  5. Step 5: Solve for x
    x = 6,675,673,171.12/90,922.50
  6. Step 6: Final answer
    x = 73,421.58

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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.