Home / 110,776.86-152,872.14-68,360.04

Finding the Fourth Proportional to 110,776.86, 152,872.14 and 68,360.04

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Solution

The fourth proportional to 110,776.86, 152,872.14 and 68,360.04 is: 94,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,776.86 : 152,872.14 = 68,360.04 : x
  2. Step 2: Convert to fraction form
    110,776.86/152,872.14 = 68,360.04/x
  3. Step 3: Cross multiply
    110,776.86x = 152,872.14 × 68,360.04
  4. Step 4: Simplify right side
    110,776.86x = 10,450,345,605.29
  5. Step 5: Solve for x
    x = 10,450,345,605.29/110,776.86
  6. Step 6: Final answer
    x = 94,336.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.