Home / 89,692.50-123,751.02-62,438.04

Finding the Fourth Proportional to 89,692.50, 123,751.02 and 62,438.04

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Solution

The fourth proportional to 89,692.50, 123,751.02 and 62,438.04 is: 86,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,692.50 : 123,751.02 = 62,438.04 : x
  2. Step 2: Convert to fraction form
    89,692.50/123,751.02 = 62,438.04/x
  3. Step 3: Cross multiply
    89,692.50x = 123,751.02 × 62,438.04
  4. Step 4: Simplify right side
    89,692.50x = 7,726,771,136.80
  5. Step 5: Solve for x
    x = 7,726,771,136.80/89,692.50
  6. Step 6: Final answer
    x = 86,147.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.