Home / 106,484.07-159,641.79-53,148.61

Finding the Fourth Proportional to 106,484.07, 159,641.79 and 53,148.61

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Solution

The fourth proportional to 106,484.07, 159,641.79 and 53,148.61 is: 79,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,484.07 : 159,641.79 = 53,148.61 : x
  2. Step 2: Convert to fraction form
    106,484.07/159,641.79 = 53,148.61/x
  3. Step 3: Cross multiply
    106,484.07x = 159,641.79 × 53,148.61
  4. Step 4: Simplify right side
    106,484.07x = 8,484,738,338.67
  5. Step 5: Solve for x
    x = 8,484,738,338.67/106,484.07
  6. Step 6: Final answer
    x = 79,680.82

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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.