Home / 89,667.90-123,742.08-53,858.52

Finding the Fourth Proportional to 89,667.90, 123,742.08 and 53,858.52

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Solution

The fourth proportional to 89,667.90, 123,742.08 and 53,858.52 is: 74,324.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,667.90 : 123,742.08 = 53,858.52 : x
  2. Step 2: Convert to fraction form
    89,667.90/123,742.08 = 53,858.52/x
  3. Step 3: Cross multiply
    89,667.90x = 123,742.08 × 53,858.52
  4. Step 4: Simplify right side
    89,667.90x = 6,664,565,290.52
  5. Step 5: Solve for x
    x = 6,664,565,290.52/89,667.90
  6. Step 6: Final answer
    x = 74,324.98

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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.