Home / 92,303.20-127,378.34-49,861.72

Finding the Fourth Proportional to 92,303.20, 127,378.34 and 49,861.72

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Solution

The fourth proportional to 92,303.20, 127,378.34 and 49,861.72 is: 68,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,303.20 : 127,378.34 = 49,861.72 : x
  2. Step 2: Convert to fraction form
    92,303.20/127,378.34 = 49,861.72/x
  3. Step 3: Cross multiply
    92,303.20x = 127,378.34 × 49,861.72
  4. Step 4: Simplify right side
    92,303.20x = 6,351,303,123.14
  5. Step 5: Solve for x
    x = 6,351,303,123.14/92,303.20
  6. Step 6: Final answer
    x = 68,809.13

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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.