Home / 92,663.52-127,913.76-58,721.28

Finding the Fourth Proportional to 92,663.52, 127,913.76 and 58,721.28

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Solution

The fourth proportional to 92,663.52, 127,913.76 and 58,721.28 is: 81,059.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,663.52 : 127,913.76 = 58,721.28 : x
  2. Step 2: Convert to fraction form
    92,663.52/127,913.76 = 58,721.28/x
  3. Step 3: Cross multiply
    92,663.52x = 127,913.76 × 58,721.28
  4. Step 4: Simplify right side
    92,663.52x = 7,511,259,716.81
  5. Step 5: Solve for x
    x = 7,511,259,716.81/92,663.52
  6. Step 6: Final answer
    x = 81,059.51

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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.