Home / 96,960.20-145,440.30-73,459.40

Finding the Fourth Proportional to 96,960.20, 145,440.30 and 73,459.40

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Solution

The fourth proportional to 96,960.20, 145,440.30 and 73,459.40 is: 110,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,960.20 : 145,440.30 = 73,459.40 : x
  2. Step 2: Convert to fraction form
    96,960.20/145,440.30 = 73,459.40/x
  3. Step 3: Cross multiply
    96,960.20x = 145,440.30 × 73,459.40
  4. Step 4: Simplify right side
    96,960.20x = 10,683,957,173.82
  5. Step 5: Solve for x
    x = 10,683,957,173.82/96,960.20
  6. Step 6: Final answer
    x = 110,189.10

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1.5x scale

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.