Home / 97,730.20-146,592.60-31,174.30

Finding the Fourth Proportional to 97,730.20, 146,592.60 and 31,174.30

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Solution

The fourth proportional to 97,730.20, 146,592.60 and 31,174.30 is: 46,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,730.20 : 146,592.60 = 31,174.30 : x
  2. Step 2: Convert to fraction form
    97,730.20/146,592.60 = 31,174.30/x
  3. Step 3: Cross multiply
    97,730.20x = 146,592.60 × 31,174.30
  4. Step 4: Simplify right side
    97,730.20x = 4,569,921,690.18
  5. Step 5: Solve for x
    x = 4,569,921,690.18/97,730.20
  6. Step 6: Final answer
    x = 46,760.59

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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.