Home / 67,965.63-101,855.30-51,312.03

Finding the Fourth Proportional to 67,965.63, 101,855.30 and 51,312.03

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Solution

The fourth proportional to 67,965.63, 101,855.30 and 51,312.03 is: 76,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,965.63 : 101,855.30 = 51,312.03 : x
  2. Step 2: Convert to fraction form
    67,965.63/101,855.30 = 51,312.03/x
  3. Step 3: Cross multiply
    67,965.63x = 101,855.30 × 51,312.03
  4. Step 4: Simplify right side
    67,965.63x = 5,226,401,952.70
  5. Step 5: Solve for x
    x = 5,226,401,952.70/67,965.63
  6. Step 6: Final answer
    x = 76,897.72

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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.