Home / 45,271.98-67,809.69-27,688.50

Finding the Fourth Proportional to 45,271.98, 67,809.69 and 27,688.50

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Solution

The fourth proportional to 45,271.98, 67,809.69 and 27,688.50 is: 41,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.98 : 67,809.69 = 27,688.50 : x
  2. Step 2: Convert to fraction form
    45,271.98/67,809.69 = 27,688.50/x
  3. Step 3: Cross multiply
    45,271.98x = 67,809.69 × 27,688.50
  4. Step 4: Simplify right side
    45,271.98x = 1,877,548,601.57
  5. Step 5: Solve for x
    x = 1,877,548,601.57/45,271.98
  6. Step 6: Final answer
    x = 41,472.64

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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.