Home / 106,521.21-159,812.46-34,472.52

Finding the Fourth Proportional to 106,521.21, 159,812.46 and 34,472.52

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Solution

The fourth proportional to 106,521.21, 159,812.46 and 34,472.52 is: 51,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,521.21 : 159,812.46 = 34,472.52 : x
  2. Step 2: Convert to fraction form
    106,521.21/159,812.46 = 34,472.52/x
  3. Step 3: Cross multiply
    106,521.21x = 159,812.46 × 34,472.52
  4. Step 4: Simplify right side
    106,521.21x = 5,509,138,223.60
  5. Step 5: Solve for x
    x = 5,509,138,223.60/106,521.21
  6. Step 6: Final answer
    x = 51,718.70

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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.