Home / 88,865.78-122,637.11-53,076.43

Finding the Fourth Proportional to 88,865.78, 122,637.11 and 53,076.43

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Solution

The fourth proportional to 88,865.78, 122,637.11 and 53,076.43 is: 73,246.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,865.78 : 122,637.11 = 53,076.43 : x
  2. Step 2: Convert to fraction form
    88,865.78/122,637.11 = 53,076.43/x
  3. Step 3: Cross multiply
    88,865.78x = 122,637.11 × 53,076.43
  4. Step 4: Simplify right side
    88,865.78x = 6,509,139,872.23
  5. Step 5: Solve for x
    x = 6,509,139,872.23/88,865.78
  6. Step 6: Final answer
    x = 73,246.87

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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.