Home / 89,047.32-122,885.49-48,211.86

Finding the Fourth Proportional to 89,047.32, 122,885.49 and 48,211.86

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Solution

The fourth proportional to 89,047.32, 122,885.49 and 48,211.86 is: 66,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.32 : 122,885.49 = 48,211.86 : x
  2. Step 2: Convert to fraction form
    89,047.32/122,885.49 = 48,211.86/x
  3. Step 3: Cross multiply
    89,047.32x = 122,885.49 × 48,211.86
  4. Step 4: Simplify right side
    89,047.32x = 5,924,538,039.91
  5. Step 5: Solve for x
    x = 5,924,538,039.91/89,047.32
  6. Step 6: Final answer
    x = 66,532.47

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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.