Home / 104,266.72-156,283.44-45,013.60

Finding the Fourth Proportional to 104,266.72, 156,283.44 and 45,013.60

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Solution

The fourth proportional to 104,266.72, 156,283.44 and 45,013.60 is: 67,470.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.72 : 156,283.44 = 45,013.60 : x
  2. Step 2: Convert to fraction form
    104,266.72/156,283.44 = 45,013.60/x
  3. Step 3: Cross multiply
    104,266.72x = 156,283.44 × 45,013.60
  4. Step 4: Simplify right side
    104,266.72x = 7,034,880,254.78
  5. Step 5: Solve for x
    x = 7,034,880,254.78/104,266.72
  6. Step 6: Final answer
    x = 67,470.04

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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.