Home / 89,219.40-133,829.10-36,666.60

Finding the Fourth Proportional to 89,219.40, 133,829.10 and 36,666.60

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Solution

The fourth proportional to 89,219.40, 133,829.10 and 36,666.60 is: 54,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,219.40 : 133,829.10 = 36,666.60 : x
  2. Step 2: Convert to fraction form
    89,219.40/133,829.10 = 36,666.60/x
  3. Step 3: Cross multiply
    89,219.40x = 133,829.10 × 36,666.60
  4. Step 4: Simplify right side
    89,219.40x = 4,907,058,078.06
  5. Step 5: Solve for x
    x = 4,907,058,078.06/89,219.40
  6. Step 6: Final answer
    x = 54,999.90

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1.5x scale

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.