Home / 88,717.60-133,076.40-57,224.80

Finding the Fourth Proportional to 88,717.60, 133,076.40 and 57,224.80

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Solution

The fourth proportional to 88,717.60, 133,076.40 and 57,224.80 is: 85,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,717.60 : 133,076.40 = 57,224.80 : x
  2. Step 2: Convert to fraction form
    88,717.60/133,076.40 = 57,224.80/x
  3. Step 3: Cross multiply
    88,717.60x = 133,076.40 × 57,224.80
  4. Step 4: Simplify right side
    88,717.60x = 7,615,270,374.72
  5. Step 5: Solve for x
    x = 7,615,270,374.72/88,717.60
  6. Step 6: Final answer
    x = 85,837.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.