Home / 88,125.19-121,610.81-49,883.97

Finding the Fourth Proportional to 88,125.19, 121,610.81 and 49,883.97

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Solution

The fourth proportional to 88,125.19, 121,610.81 and 49,883.97 is: 68,838.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,125.19 : 121,610.81 = 49,883.97 : x
  2. Step 2: Convert to fraction form
    88,125.19/121,610.81 = 49,883.97/x
  3. Step 3: Cross multiply
    88,125.19x = 121,610.81 × 49,883.97
  4. Step 4: Simplify right side
    88,125.19x = 6,066,429,997.72
  5. Step 5: Solve for x
    x = 6,066,429,997.72/88,125.19
  6. Step 6: Final answer
    x = 68,838.77

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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.