Home / 89,630.83-123,575.68-73,438.50

Finding the Fourth Proportional to 89,630.83, 123,575.68 and 73,438.50

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Solution

The fourth proportional to 89,630.83, 123,575.68 and 73,438.50 is: 101,251.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,630.83 : 123,575.68 = 73,438.50 : x
  2. Step 2: Convert to fraction form
    89,630.83/123,575.68 = 73,438.50/x
  3. Step 3: Cross multiply
    89,630.83x = 123,575.68 × 73,438.50
  4. Step 4: Simplify right side
    89,630.83x = 9,075,212,575.68
  5. Step 5: Solve for x
    x = 9,075,212,575.68/89,630.83
  6. Step 6: Final answer
    x = 101,251.02

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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.