Home / 89,259.40-123,179.23-48,972.43

Finding the Fourth Proportional to 89,259.40, 123,179.23 and 48,972.43

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Solution

The fourth proportional to 89,259.40, 123,179.23 and 48,972.43 is: 67,582.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,259.40 : 123,179.23 = 48,972.43 : x
  2. Step 2: Convert to fraction form
    89,259.40/123,179.23 = 48,972.43/x
  3. Step 3: Cross multiply
    89,259.40x = 123,179.23 × 48,972.43
  4. Step 4: Simplify right side
    89,259.40x = 6,032,386,218.63
  5. Step 5: Solve for x
    x = 6,032,386,218.63/89,259.40
  6. Step 6: Final answer
    x = 67,582.64

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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.