Home / 89,395.80-123,367.44-49,113.16

Finding the Fourth Proportional to 89,395.80, 123,367.44 and 49,113.16

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Solution

The fourth proportional to 89,395.80, 123,367.44 and 49,113.16 is: 67,776.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,395.80 : 123,367.44 = 49,113.16 : x
  2. Step 2: Convert to fraction form
    89,395.80/123,367.44 = 49,113.16/x
  3. Step 3: Cross multiply
    89,395.80x = 123,367.44 × 49,113.16
  4. Step 4: Simplify right side
    89,395.80x = 6,058,964,819.51
  5. Step 5: Solve for x
    x = 6,058,964,819.51/89,395.80
  6. Step 6: Final answer
    x = 67,776.84

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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.