Home / 54,337.20-81,511.89-48,756.24

Finding the Fourth Proportional to 54,337.20, 81,511.89 and 48,756.24

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Solution

The fourth proportional to 54,337.20, 81,511.89 and 48,756.24 is: 73,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.20 : 81,511.89 = 48,756.24 : x
  2. Step 2: Convert to fraction form
    54,337.20/81,511.89 = 48,756.24/x
  3. Step 3: Cross multiply
    54,337.20x = 81,511.89 × 48,756.24
  4. Step 4: Simplify right side
    54,337.20x = 3,974,213,271.69
  5. Step 5: Solve for x
    x = 3,974,213,271.69/54,337.20
  6. Step 6: Final answer
    x = 73,139.82

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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.