Home / 48,534.06-72,812.01-18,960.33

Finding the Fourth Proportional to 48,534.06, 72,812.01 and 18,960.33

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Solution

The fourth proportional to 48,534.06, 72,812.01 and 18,960.33 is: 28,444.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,534.06 : 72,812.01 = 18,960.33 : x
  2. Step 2: Convert to fraction form
    48,534.06/72,812.01 = 18,960.33/x
  3. Step 3: Cross multiply
    48,534.06x = 72,812.01 × 18,960.33
  4. Step 4: Simplify right side
    48,534.06x = 1,380,539,737.56
  5. Step 5: Solve for x
    x = 1,380,539,737.56/48,534.06
  6. Step 6: Final answer
    x = 28,444.76

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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.