Home / 67,692.48-101,536.20-17,772.12

Finding the Fourth Proportional to 67,692.48, 101,536.20 and 17,772.12

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Solution

The fourth proportional to 67,692.48, 101,536.20 and 17,772.12 is: 26,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,692.48 : 101,536.20 = 17,772.12 : x
  2. Step 2: Convert to fraction form
    67,692.48/101,536.20 = 17,772.12/x
  3. Step 3: Cross multiply
    67,692.48x = 101,536.20 × 17,772.12
  4. Step 4: Simplify right side
    67,692.48x = 1,804,513,530.74
  5. Step 5: Solve for x
    x = 1,804,513,530.74/67,692.48
  6. Step 6: Final answer
    x = 26,657.52

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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.