Home / 86,204.28-118,934.22-52,201.90

Finding the Fourth Proportional to 86,204.28, 118,934.22 and 52,201.90

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Solution

The fourth proportional to 86,204.28, 118,934.22 and 52,201.90 is: 72,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,204.28 : 118,934.22 = 52,201.90 : x
  2. Step 2: Convert to fraction form
    86,204.28/118,934.22 = 52,201.90/x
  3. Step 3: Cross multiply
    86,204.28x = 118,934.22 × 52,201.90
  4. Step 4: Simplify right side
    86,204.28x = 6,208,592,259.02
  5. Step 5: Solve for x
    x = 6,208,592,259.02/86,204.28
  6. Step 6: Final answer
    x = 72,021.86

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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.