Home / 64,125.20-96,236.40-41,931.20

Finding the Fourth Proportional to 64,125.20, 96,236.40 and 41,931.20

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Solution

The fourth proportional to 64,125.20, 96,236.40 and 41,931.20 is: 62,928.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,125.20 : 96,236.40 = 41,931.20 : x
  2. Step 2: Convert to fraction form
    64,125.20/96,236.40 = 41,931.20/x
  3. Step 3: Cross multiply
    64,125.20x = 96,236.40 × 41,931.20
  4. Step 4: Simplify right side
    64,125.20x = 4,035,307,735.68
  5. Step 5: Solve for x
    x = 4,035,307,735.68/64,125.20
  6. Step 6: Final answer
    x = 62,928.58

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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.