Home / 105,811.76-158,726.92-39,252.64

Finding the Fourth Proportional to 105,811.76, 158,726.92 and 39,252.64

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Solution

The fourth proportional to 105,811.76, 158,726.92 and 39,252.64 is: 58,882.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,811.76 : 158,726.92 = 39,252.64 : x
  2. Step 2: Convert to fraction form
    105,811.76/158,726.92 = 39,252.64/x
  3. Step 3: Cross multiply
    105,811.76x = 158,726.92 × 39,252.64
  4. Step 4: Simplify right side
    105,811.76x = 6,230,450,649.07
  5. Step 5: Solve for x
    x = 6,230,450,649.07/105,811.76
  6. Step 6: Final answer
    x = 58,882.40

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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.