Home / 89,744.64-123,847.02-49,458.45

Finding the Fourth Proportional to 89,744.64, 123,847.02 and 49,458.45

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Solution

The fourth proportional to 89,744.64, 123,847.02 and 49,458.45 is: 68,252.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,744.64 : 123,847.02 = 49,458.45 : x
  2. Step 2: Convert to fraction form
    89,744.64/123,847.02 = 49,458.45/x
  3. Step 3: Cross multiply
    89,744.64x = 123,847.02 × 49,458.45
  4. Step 4: Simplify right side
    89,744.64x = 6,125,281,646.32
  5. Step 5: Solve for x
    x = 6,125,281,646.32/89,744.64
  6. Step 6: Final answer
    x = 68,252.34

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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.