Home / 97,724.20-146,586.30-96,687.40

Finding the Fourth Proportional to 97,724.20, 146,586.30 and 96,687.40

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Solution

The fourth proportional to 97,724.20, 146,586.30 and 96,687.40 is: 145,031.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,724.20 : 146,586.30 = 96,687.40 : x
  2. Step 2: Convert to fraction form
    97,724.20/146,586.30 = 96,687.40/x
  3. Step 3: Cross multiply
    97,724.20x = 146,586.30 × 96,687.40
  4. Step 4: Simplify right side
    97,724.20x = 14,173,048,222.62
  5. Step 5: Solve for x
    x = 14,173,048,222.62/97,724.20
  6. Step 6: Final answer
    x = 145,031.10

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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.