Home / 89,125.25-122,992.56-48,839.36

Finding the Fourth Proportional to 89,125.25, 122,992.56 and 48,839.36

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Solution

The fourth proportional to 89,125.25, 122,992.56 and 48,839.36 is: 67,398.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.25 : 122,992.56 = 48,839.36 : x
  2. Step 2: Convert to fraction form
    89,125.25/122,992.56 = 48,839.36/x
  3. Step 3: Cross multiply
    89,125.25x = 122,992.56 × 48,839.36
  4. Step 4: Simplify right side
    89,125.25x = 6,006,877,300.20
  5. Step 5: Solve for x
    x = 6,006,877,300.20/89,125.25
  6. Step 6: Final answer
    x = 67,398.16

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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.