Home / 89,450.39-123,443.89-49,165.22

Finding the Fourth Proportional to 89,450.39, 123,443.89 and 49,165.22

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Solution

The fourth proportional to 89,450.39, 123,443.89 and 49,165.22 is: 67,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,450.39 : 123,443.89 = 49,165.22 : x
  2. Step 2: Convert to fraction form
    89,450.39/123,443.89 = 49,165.22/x
  3. Step 3: Cross multiply
    89,450.39x = 123,443.89 × 49,165.22
  4. Step 4: Simplify right side
    89,450.39x = 6,069,146,009.51
  5. Step 5: Solve for x
    x = 6,069,146,009.51/89,450.39
  6. Step 6: Final answer
    x = 67,849.30

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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.