Home / 97,415.60-146,128.20-50,759.60

Finding the Fourth Proportional to 97,415.60, 146,128.20 and 50,759.60

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Solution

The fourth proportional to 97,415.60, 146,128.20 and 50,759.60 is: 76,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,415.60 : 146,128.20 = 50,759.60 : x
  2. Step 2: Convert to fraction form
    97,415.60/146,128.20 = 50,759.60/x
  3. Step 3: Cross multiply
    97,415.60x = 146,128.20 × 50,759.60
  4. Step 4: Simplify right side
    97,415.60x = 7,417,408,980.72
  5. Step 5: Solve for x
    x = 7,417,408,980.72/97,415.60
  6. Step 6: Final answer
    x = 76,141.90

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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.