Home / 89,448.80-123,440.61-49,166.28

Finding the Fourth Proportional to 89,448.80, 123,440.61 and 49,166.28

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Solution

The fourth proportional to 89,448.80, 123,440.61 and 49,166.28 is: 67,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,448.80 : 123,440.61 = 49,166.28 : x
  2. Step 2: Convert to fraction form
    89,448.80/123,440.61 = 49,166.28/x
  3. Step 3: Cross multiply
    89,448.80x = 123,440.61 × 49,166.28
  4. Step 4: Simplify right side
    89,448.80x = 6,069,115,594.63
  5. Step 5: Solve for x
    x = 6,069,115,594.63/89,448.80
  6. Step 6: Final answer
    x = 67,850.17

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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.