Home / 96,827.20-145,240.80-73,207.60

Finding the Fourth Proportional to 96,827.20, 145,240.80 and 73,207.60

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Solution

The fourth proportional to 96,827.20, 145,240.80 and 73,207.60 is: 109,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,827.20 : 145,240.80 = 73,207.60 : x
  2. Step 2: Convert to fraction form
    96,827.20/145,240.80 = 73,207.60/x
  3. Step 3: Cross multiply
    96,827.20x = 145,240.80 × 73,207.60
  4. Step 4: Simplify right side
    96,827.20x = 10,632,730,390.08
  5. Step 5: Solve for x
    x = 10,632,730,390.08/96,827.20
  6. Step 6: Final answer
    x = 109,811.40

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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.