Home / 69,136.90-103,632.45-27,000.70

Finding the Fourth Proportional to 69,136.90, 103,632.45 and 27,000.70

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Solution

The fourth proportional to 69,136.90, 103,632.45 and 27,000.70 is: 40,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,136.90 : 103,632.45 = 27,000.70 : x
  2. Step 2: Convert to fraction form
    69,136.90/103,632.45 = 27,000.70/x
  3. Step 3: Cross multiply
    69,136.90x = 103,632.45 × 27,000.70
  4. Step 4: Simplify right side
    69,136.90x = 2,798,148,692.72
  5. Step 5: Solve for x
    x = 2,798,148,692.72/69,136.90
  6. Step 6: Final answer
    x = 40,472.58

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1.5x scale

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.