Home / 105,929.56-158,891.91-53,324.92

Finding the Fourth Proportional to 105,929.56, 158,891.91 and 53,324.92

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Solution

The fourth proportional to 105,929.56, 158,891.91 and 53,324.92 is: 79,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,929.56 : 158,891.91 = 53,324.92 : x
  2. Step 2: Convert to fraction form
    105,929.56/158,891.91 = 53,324.92/x
  3. Step 3: Cross multiply
    105,929.56x = 158,891.91 × 53,324.92
  4. Step 4: Simplify right side
    105,929.56x = 8,472,898,389.40
  5. Step 5: Solve for x
    x = 8,472,898,389.40/105,929.56
  6. Step 6: Final answer
    x = 79,986.16

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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.