Home / 97,729.60-146,594.40-31,174.60

Finding the Fourth Proportional to 97,729.60, 146,594.40 and 31,174.60

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Solution

The fourth proportional to 97,729.60, 146,594.40 and 31,174.60 is: 46,761.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,729.60 : 146,594.40 = 31,174.60 : x
  2. Step 2: Convert to fraction form
    97,729.60/146,594.40 = 31,174.60/x
  3. Step 3: Cross multiply
    97,729.60x = 146,594.40 × 31,174.60
  4. Step 4: Simplify right side
    97,729.60x = 4,570,021,782.24
  5. Step 5: Solve for x
    x = 4,570,021,782.24/97,729.60
  6. Step 6: Final answer
    x = 46,761.90

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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.