Home / 98,840.10-148,237.92-45,480.89

Finding the Fourth Proportional to 98,840.10, 148,237.92 and 45,480.89

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Solution

The fourth proportional to 98,840.10, 148,237.92 and 45,480.89 is: 68,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840.10 : 148,237.92 = 45,480.89 : x
  2. Step 2: Convert to fraction form
    98,840.10/148,237.92 = 45,480.89/x
  3. Step 3: Cross multiply
    98,840.10x = 148,237.92 × 45,480.89
  4. Step 4: Simplify right side
    98,840.10x = 6,741,992,533.35
  5. Step 5: Solve for x
    x = 6,741,992,533.35/98,840.10
  6. Step 6: Final answer
    x = 68,211.11

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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.