Home / 77,952.24-116,935.20-21,792.96

Finding the Fourth Proportional to 77,952.24, 116,935.20 and 21,792.96

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Solution

The fourth proportional to 77,952.24, 116,935.20 and 21,792.96 is: 32,691.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,952.24 : 116,935.20 = 21,792.96 : x
  2. Step 2: Convert to fraction form
    77,952.24/116,935.20 = 21,792.96/x
  3. Step 3: Cross multiply
    77,952.24x = 116,935.20 × 21,792.96
  4. Step 4: Simplify right side
    77,952.24x = 2,548,364,136.19
  5. Step 5: Solve for x
    x = 2,548,364,136.19/77,952.24
  6. Step 6: Final answer
    x = 32,691.35

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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.