Home / 48,913.88-73,370.81-11,977.88

Finding the Fourth Proportional to 48,913.88, 73,370.81 and 11,977.88

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Solution

The fourth proportional to 48,913.88, 73,370.81 and 11,977.88 is: 17,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,913.88 : 73,370.81 = 11,977.88 : x
  2. Step 2: Convert to fraction form
    48,913.88/73,370.81 = 11,977.88/x
  3. Step 3: Cross multiply
    48,913.88x = 73,370.81 × 11,977.88
  4. Step 4: Simplify right side
    48,913.88x = 878,826,420.77
  5. Step 5: Solve for x
    x = 878,826,420.77/48,913.88
  6. Step 6: Final answer
    x = 17,966.81

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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.