Home / 68,437.65-102,623.67-35,140.59

Finding the Fourth Proportional to 68,437.65, 102,623.67 and 35,140.59

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Solution

The fourth proportional to 68,437.65, 102,623.67 and 35,140.59 is: 52,694.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.65 : 102,623.67 = 35,140.59 : x
  2. Step 2: Convert to fraction form
    68,437.65/102,623.67 = 35,140.59/x
  3. Step 3: Cross multiply
    68,437.65x = 102,623.67 × 35,140.59
  4. Step 4: Simplify right side
    68,437.65x = 3,606,256,311.77
  5. Step 5: Solve for x
    x = 3,606,256,311.77/68,437.65
  6. Step 6: Final answer
    x = 52,694.04

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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.