Home / 94,845.20-142,080.60-48,131.60

Finding the Fourth Proportional to 94,845.20, 142,080.60 and 48,131.60

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Solution

The fourth proportional to 94,845.20, 142,080.60 and 48,131.60 is: 72,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,845.20 : 142,080.60 = 48,131.60 : x
  2. Step 2: Convert to fraction form
    94,845.20/142,080.60 = 48,131.60/x
  3. Step 3: Cross multiply
    94,845.20x = 142,080.60 × 48,131.60
  4. Step 4: Simplify right side
    94,845.20x = 6,838,566,606.96
  5. Step 5: Solve for x
    x = 6,838,566,606.96/94,845.20
  6. Step 6: Final answer
    x = 72,102.40

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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.