Home / 74,279.20-102,470.52-48,827.92

Finding the Fourth Proportional to 74,279.20, 102,470.52 and 48,827.92

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Solution

The fourth proportional to 74,279.20, 102,470.52 and 48,827.92 is: 67,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,279.20 : 102,470.52 = 48,827.92 : x
  2. Step 2: Convert to fraction form
    74,279.20/102,470.52 = 48,827.92/x
  3. Step 3: Cross multiply
    74,279.20x = 102,470.52 × 48,827.92
  4. Step 4: Simplify right side
    74,279.20x = 5,003,422,352.92
  5. Step 5: Solve for x
    x = 5,003,422,352.92/74,279.20
  6. Step 6: Final answer
    x = 67,359.67

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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.