Home / 89,600.96-123,647.52-56,085.44

Finding the Fourth Proportional to 89,600.96, 123,647.52 and 56,085.44

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Solution

The fourth proportional to 89,600.96, 123,647.52 and 56,085.44 is: 77,396.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,600.96 : 123,647.52 = 56,085.44 : x
  2. Step 2: Convert to fraction form
    89,600.96/123,647.52 = 56,085.44/x
  3. Step 3: Cross multiply
    89,600.96x = 123,647.52 × 56,085.44
  4. Step 4: Simplify right side
    89,600.96x = 6,934,825,564.11
  5. Step 5: Solve for x
    x = 6,934,825,564.11/89,600.96
  6. Step 6: Final answer
    x = 77,396.78

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1.5x scale

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.