Home / 89,394.22-123,357.90-53,566.30

Finding the Fourth Proportional to 89,394.22, 123,357.90 and 53,566.30

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Solution

The fourth proportional to 89,394.22, 123,357.90 and 53,566.30 is: 73,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,394.22 : 123,357.90 = 53,566.30 : x
  2. Step 2: Convert to fraction form
    89,394.22/123,357.90 = 53,566.30/x
  3. Step 3: Cross multiply
    89,394.22x = 123,357.90 × 53,566.30
  4. Step 4: Simplify right side
    89,394.22x = 6,607,826,278.77
  5. Step 5: Solve for x
    x = 6,607,826,278.77/89,394.22
  6. Step 6: Final answer
    x = 73,917.82

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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.