Home / 48,887.76-73,265.31-20,772.56

Finding the Fourth Proportional to 48,887.76, 73,265.31 and 20,772.56

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Solution

The fourth proportional to 48,887.76, 73,265.31 and 20,772.56 is: 31,130.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,887.76 : 73,265.31 = 20,772.56 : x
  2. Step 2: Convert to fraction form
    48,887.76/73,265.31 = 20,772.56/x
  3. Step 3: Cross multiply
    48,887.76x = 73,265.31 × 20,772.56
  4. Step 4: Simplify right side
    48,887.76x = 1,521,908,047.89
  5. Step 5: Solve for x
    x = 1,521,908,047.89/48,887.76
  6. Step 6: Final answer
    x = 31,130.66

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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.