Home / 76,082.15-114,049.06-31,721.59

Finding the Fourth Proportional to 76,082.15, 114,049.06 and 31,721.59

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Solution

The fourth proportional to 76,082.15, 114,049.06 and 31,721.59 is: 47,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,082.15 : 114,049.06 = 31,721.59 : x
  2. Step 2: Convert to fraction form
    76,082.15/114,049.06 = 31,721.59/x
  3. Step 3: Cross multiply
    76,082.15x = 114,049.06 × 31,721.59
  4. Step 4: Simplify right side
    76,082.15x = 3,617,816,792.35
  5. Step 5: Solve for x
    x = 3,617,816,792.35/76,082.15
  6. Step 6: Final answer
    x = 47,551.45

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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.