Home / 89,132.76-122,997.87-48,838.50

Finding the Fourth Proportional to 89,132.76, 122,997.87 and 48,838.50

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Solution

The fourth proportional to 89,132.76, 122,997.87 and 48,838.50 is: 67,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.76 : 122,997.87 = 48,838.50 : x
  2. Step 2: Convert to fraction form
    89,132.76/122,997.87 = 48,838.50/x
  3. Step 3: Cross multiply
    89,132.76x = 122,997.87 × 48,838.50
  4. Step 4: Simplify right side
    89,132.76x = 6,007,031,474.00
  5. Step 5: Solve for x
    x = 6,007,031,474.00/89,132.76
  6. Step 6: Final answer
    x = 67,394.20

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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.