Home / 89,692.23-134,544.45-29,720.57

Finding the Fourth Proportional to 89,692.23, 134,544.45 and 29,720.57

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Solution

The fourth proportional to 89,692.23, 134,544.45 and 29,720.57 is: 44,582.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,692.23 : 134,544.45 = 29,720.57 : x
  2. Step 2: Convert to fraction form
    89,692.23/134,544.45 = 29,720.57/x
  3. Step 3: Cross multiply
    89,692.23x = 134,544.45 × 29,720.57
  4. Step 4: Simplify right side
    89,692.23x = 3,998,737,071.61
  5. Step 5: Solve for x
    x = 3,998,737,071.61/89,692.23
  6. Step 6: Final answer
    x = 44,582.87

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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.