Home / 89,921.61-124,086.51-49,634.37

Finding the Fourth Proportional to 89,921.61, 124,086.51 and 49,634.37

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Solution

The fourth proportional to 89,921.61, 124,086.51 and 49,634.37 is: 68,492.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,921.61 : 124,086.51 = 49,634.37 : x
  2. Step 2: Convert to fraction form
    89,921.61/124,086.51 = 49,634.37/x
  3. Step 3: Cross multiply
    89,921.61x = 124,086.51 × 49,634.37
  4. Step 4: Simplify right side
    89,921.61x = 6,158,955,749.35
  5. Step 5: Solve for x
    x = 6,158,955,749.35/89,921.61
  6. Step 6: Final answer
    x = 68,492.50

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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.