Home / 48,433.92-72,438.40-43,134.47

Finding the Fourth Proportional to 48,433.92, 72,438.40 and 43,134.47

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Solution

The fourth proportional to 48,433.92, 72,438.40 and 43,134.47 is: 64,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.92 : 72,438.40 = 43,134.47 : x
  2. Step 2: Convert to fraction form
    48,433.92/72,438.40 = 43,134.47/x
  3. Step 3: Cross multiply
    48,433.92x = 72,438.40 × 43,134.47
  4. Step 4: Simplify right side
    48,433.92x = 3,124,591,991.65
  5. Step 5: Solve for x
    x = 3,124,591,991.65/48,433.92
  6. Step 6: Final answer
    x = 64,512.47

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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.