Home / 99,261.20-148,840.60-36,899.60

Finding the Fourth Proportional to 99,261.20, 148,840.60 and 36,899.60

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Solution

The fourth proportional to 99,261.20, 148,840.60 and 36,899.60 is: 55,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,261.20 : 148,840.60 = 36,899.60 : x
  2. Step 2: Convert to fraction form
    99,261.20/148,840.60 = 36,899.60/x
  3. Step 3: Cross multiply
    99,261.20x = 148,840.60 × 36,899.60
  4. Step 4: Simplify right side
    99,261.20x = 5,492,158,603.76
  5. Step 5: Solve for x
    x = 5,492,158,603.76/99,261.20
  6. Step 6: Final answer
    x = 55,330.37

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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.