Home / 89,706.42-123,804.54-49,424.28

Finding the Fourth Proportional to 89,706.42, 123,804.54 and 49,424.28

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Solution

The fourth proportional to 89,706.42, 123,804.54 and 49,424.28 is: 68,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,706.42 : 123,804.54 = 49,424.28 : x
  2. Step 2: Convert to fraction form
    89,706.42/123,804.54 = 49,424.28/x
  3. Step 3: Cross multiply
    89,706.42x = 123,804.54 × 49,424.28
  4. Step 4: Simplify right side
    89,706.42x = 6,118,950,250.23
  5. Step 5: Solve for x
    x = 6,118,950,250.23/89,706.42
  6. Step 6: Final answer
    x = 68,210.84

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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.