Home / 66,541.40-99,812.10-33,266.60

Finding the Fourth Proportional to 66,541.40, 99,812.10 and 33,266.60

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Solution

The fourth proportional to 66,541.40, 99,812.10 and 33,266.60 is: 49,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,541.40 : 99,812.10 = 33,266.60 : x
  2. Step 2: Convert to fraction form
    66,541.40/99,812.10 = 33,266.60/x
  3. Step 3: Cross multiply
    66,541.40x = 99,812.10 × 33,266.60
  4. Step 4: Simplify right side
    66,541.40x = 3,320,409,205.86
  5. Step 5: Solve for x
    x = 3,320,409,205.86/66,541.40
  6. Step 6: Final answer
    x = 49,899.90

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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.