Home / 89,514.88-134,272.32-42,625.60

Finding the Fourth Proportional to 89,514.88, 134,272.32 and 42,625.60

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Solution

The fourth proportional to 89,514.88, 134,272.32 and 42,625.60 is: 63,938.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,514.88 : 134,272.32 = 42,625.60 : x
  2. Step 2: Convert to fraction form
    89,514.88/134,272.32 = 42,625.60/x
  3. Step 3: Cross multiply
    89,514.88x = 134,272.32 × 42,625.60
  4. Step 4: Simplify right side
    89,514.88x = 5,723,438,203.39
  5. Step 5: Solve for x
    x = 5,723,438,203.39/89,514.88
  6. Step 6: Final answer
    x = 63,938.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.