Home / 89,083.26-122,929.65-48,789

Finding the Fourth Proportional to 89,083.26, 122,929.65 and 48,789

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Solution

The fourth proportional to 89,083.26, 122,929.65 and 48,789 is: 67,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,083.26 : 122,929.65 = 48,789 : x
  2. Step 2: Convert to fraction form
    89,083.26/122,929.65 = 48,789/x
  3. Step 3: Cross multiply
    89,083.26x = 122,929.65 × 48,789
  4. Step 4: Simplify right side
    89,083.26x = 5,997,614,693.85
  5. Step 5: Solve for x
    x = 5,997,614,693.85/89,083.26
  6. Step 6: Final answer
    x = 67,325.95

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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.