Home / 48,240.46-72,359.88-13,179.98

Finding the Fourth Proportional to 48,240.46, 72,359.88 and 13,179.98

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Solution

The fourth proportional to 48,240.46, 72,359.88 and 13,179.98 is: 19,769.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,240.46 : 72,359.88 = 13,179.98 : x
  2. Step 2: Convert to fraction form
    48,240.46/72,359.88 = 13,179.98/x
  3. Step 3: Cross multiply
    48,240.46x = 72,359.88 × 13,179.98
  4. Step 4: Simplify right side
    48,240.46x = 953,701,771.20
  5. Step 5: Solve for x
    x = 953,701,771.20/48,240.46
  6. Step 6: Final answer
    x = 19,769.75

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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.