Home / 86,141.35-118,877.64-52,156.06

Finding the Fourth Proportional to 86,141.35, 118,877.64 and 52,156.06

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Solution

The fourth proportional to 86,141.35, 118,877.64 and 52,156.06 is: 71,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,141.35 : 118,877.64 = 52,156.06 : x
  2. Step 2: Convert to fraction form
    86,141.35/118,877.64 = 52,156.06/x
  3. Step 3: Cross multiply
    86,141.35x = 118,877.64 × 52,156.06
  4. Step 4: Simplify right side
    86,141.35x = 6,200,189,324.50
  5. Step 5: Solve for x
    x = 6,200,189,324.50/86,141.35
  6. Step 6: Final answer
    x = 71,976.92

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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.