Home / 68,614.91-102,922.49-45,071.18

Finding the Fourth Proportional to 68,614.91, 102,922.49 and 45,071.18

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Solution

The fourth proportional to 68,614.91, 102,922.49 and 45,071.18 is: 67,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,614.91 : 102,922.49 = 45,071.18 : x
  2. Step 2: Convert to fraction form
    68,614.91/102,922.49 = 45,071.18/x
  3. Step 3: Cross multiply
    68,614.91x = 102,922.49 × 45,071.18
  4. Step 4: Simplify right side
    68,614.91x = 4,638,837,332.87
  5. Step 5: Solve for x
    x = 4,638,837,332.87/68,614.91
  6. Step 6: Final answer
    x = 67,606.84

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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.