Home / 70,769.89-106,122.12-26,384.77

Finding the Fourth Proportional to 70,769.89, 106,122.12 and 26,384.77

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Solution

The fourth proportional to 70,769.89, 106,122.12 and 26,384.77 is: 39,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,769.89 : 106,122.12 = 26,384.77 : x
  2. Step 2: Convert to fraction form
    70,769.89/106,122.12 = 26,384.77/x
  3. Step 3: Cross multiply
    70,769.89x = 106,122.12 × 26,384.77
  4. Step 4: Simplify right side
    70,769.89x = 2,800,007,728.11
  5. Step 5: Solve for x
    x = 2,800,007,728.11/70,769.89
  6. Step 6: Final answer
    x = 39,564.96

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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.