Home / 89,625-123,631.24-56,032.68

Finding the Fourth Proportional to 89,625, 123,631.24 and 56,032.68

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Solution

The fourth proportional to 89,625, 123,631.24 and 56,032.68 is: 77,293.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,625 : 123,631.24 = 56,032.68 : x
  2. Step 2: Convert to fraction form
    89,625/123,631.24 = 56,032.68/x
  3. Step 3: Cross multiply
    89,625x = 123,631.24 × 56,032.68
  4. Step 4: Simplify right side
    89,625x = 6,927,389,708.92
  5. Step 5: Solve for x
    x = 6,927,389,708.92/89,625
  6. Step 6: Final answer
    x = 77,293.05

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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.