Home / 89,140.44-123,014.75-48,853.31

Finding the Fourth Proportional to 89,140.44, 123,014.75 and 48,853.31

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Solution

The fourth proportional to 89,140.44, 123,014.75 and 48,853.31 is: 67,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140.44 : 123,014.75 = 48,853.31 : x
  2. Step 2: Convert to fraction form
    89,140.44/123,014.75 = 48,853.31/x
  3. Step 3: Cross multiply
    89,140.44x = 123,014.75 × 48,853.31
  4. Step 4: Simplify right side
    89,140.44x = 6,009,677,716.32
  5. Step 5: Solve for x
    x = 6,009,677,716.32/89,140.44
  6. Step 6: Final answer
    x = 67,418.08

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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.