Home / 96,827.60-145,241.40-85,163.60

Finding the Fourth Proportional to 96,827.60, 145,241.40 and 85,163.60

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Solution

The fourth proportional to 96,827.60, 145,241.40 and 85,163.60 is: 127,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,827.60 : 145,241.40 = 85,163.60 : x
  2. Step 2: Convert to fraction form
    96,827.60/145,241.40 = 85,163.60/x
  3. Step 3: Cross multiply
    96,827.60x = 145,241.40 × 85,163.60
  4. Step 4: Simplify right side
    96,827.60x = 12,369,280,493.04
  5. Step 5: Solve for x
    x = 12,369,280,493.04/96,827.60
  6. Step 6: Final answer
    x = 127,745.40

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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.