Home / 88,918.90-133,378.34-36,328.37

Finding the Fourth Proportional to 88,918.90, 133,378.34 and 36,328.37

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Solution

The fourth proportional to 88,918.90, 133,378.34 and 36,328.37 is: 54,492.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,918.90 : 133,378.34 = 36,328.37 : x
  2. Step 2: Convert to fraction form
    88,918.90/133,378.34 = 36,328.37/x
  3. Step 3: Cross multiply
    88,918.90x = 133,378.34 × 36,328.37
  4. Step 4: Simplify right side
    88,918.90x = 4,845,416,836.97
  5. Step 5: Solve for x
    x = 4,845,416,836.97/88,918.90
  6. Step 6: Final answer
    x = 54,492.54

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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.