Home / 96,733.20-145,099.80-73,113.60

Finding the Fourth Proportional to 96,733.20, 145,099.80 and 73,113.60

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Solution

The fourth proportional to 96,733.20, 145,099.80 and 73,113.60 is: 109,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,733.20 : 145,099.80 = 73,113.60 : x
  2. Step 2: Convert to fraction form
    96,733.20/145,099.80 = 73,113.60/x
  3. Step 3: Cross multiply
    96,733.20x = 145,099.80 × 73,113.60
  4. Step 4: Simplify right side
    96,733.20x = 10,608,768,737.28
  5. Step 5: Solve for x
    x = 10,608,768,737.28/96,733.20
  6. Step 6: Final answer
    x = 109,670.40

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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.