Home / 127,631.34-191,460.10-48,811.86

Finding the Fourth Proportional to 127,631.34, 191,460.10 and 48,811.86

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Solution

The fourth proportional to 127,631.34, 191,460.10 and 48,811.86 is: 73,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,631.34 : 191,460.10 = 48,811.86 : x
  2. Step 2: Convert to fraction form
    127,631.34/191,460.10 = 48,811.86/x
  3. Step 3: Cross multiply
    127,631.34x = 191,460.10 × 48,811.86
  4. Step 4: Simplify right side
    127,631.34x = 9,345,522,517.46
  5. Step 5: Solve for x
    x = 9,345,522,517.46/127,631.34
  6. Step 6: Final answer
    x = 73,222.79

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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.