Home / 84,618.45-116,769.40-48,819.99

Finding the Fourth Proportional to 84,618.45, 116,769.40 and 48,819.99

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Solution

The fourth proportional to 84,618.45, 116,769.40 and 48,819.99 is: 67,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.45 : 116,769.40 = 48,819.99 : x
  2. Step 2: Convert to fraction form
    84,618.45/116,769.40 = 48,819.99/x
  3. Step 3: Cross multiply
    84,618.45x = 116,769.40 × 48,819.99
  4. Step 4: Simplify right side
    84,618.45x = 5,700,680,927.73
  5. Step 5: Solve for x
    x = 5,700,680,927.73/84,618.45
  6. Step 6: Final answer
    x = 67,369.25

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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.