Home / 83,256.27-114,907.20-61,887.90

Finding the Fourth Proportional to 83,256.27, 114,907.20 and 61,887.90

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Solution

The fourth proportional to 83,256.27, 114,907.20 and 61,887.90 is: 85,415.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,256.27 : 114,907.20 = 61,887.90 : x
  2. Step 2: Convert to fraction form
    83,256.27/114,907.20 = 61,887.90/x
  3. Step 3: Cross multiply
    83,256.27x = 114,907.20 × 61,887.90
  4. Step 4: Simplify right side
    83,256.27x = 7,111,365,302.88
  5. Step 5: Solve for x
    x = 7,111,365,302.88/83,256.27
  6. Step 6: Final answer
    x = 85,415.37

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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.