Home / 89,677.96-123,753.78-56,162.44

Finding the Fourth Proportional to 89,677.96, 123,753.78 and 56,162.44

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Solution

The fourth proportional to 89,677.96, 123,753.78 and 56,162.44 is: 77,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677.96 : 123,753.78 = 56,162.44 : x
  2. Step 2: Convert to fraction form
    89,677.96/123,753.78 = 56,162.44/x
  3. Step 3: Cross multiply
    89,677.96x = 123,753.78 × 56,162.44
  4. Step 4: Simplify right side
    89,677.96x = 6,950,314,244.02
  5. Step 5: Solve for x
    x = 6,950,314,244.02/89,677.96
  6. Step 6: Final answer
    x = 77,503.04

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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.