Home / 92,569.52-127,650.37-79,185.08

Finding the Fourth Proportional to 92,569.52, 127,650.37 and 79,185.08

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Solution

The fourth proportional to 92,569.52, 127,650.37 and 79,185.08 is: 109,193.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.52 : 127,650.37 = 79,185.08 : x
  2. Step 2: Convert to fraction form
    92,569.52/127,650.37 = 79,185.08/x
  3. Step 3: Cross multiply
    92,569.52x = 127,650.37 × 79,185.08
  4. Step 4: Simplify right side
    92,569.52x = 10,108,004,760.48
  5. Step 5: Solve for x
    x = 10,108,004,760.48/92,569.52
  6. Step 6: Final answer
    x = 109,193.66

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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.