Home / 45,981.59-68,935.14-14,375.39

Finding the Fourth Proportional to 45,981.59, 68,935.14 and 14,375.39

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Solution

The fourth proportional to 45,981.59, 68,935.14 and 14,375.39 is: 21,551.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981.59 : 68,935.14 = 14,375.39 : x
  2. Step 2: Convert to fraction form
    45,981.59/68,935.14 = 14,375.39/x
  3. Step 3: Cross multiply
    45,981.59x = 68,935.14 × 14,375.39
  4. Step 4: Simplify right side
    45,981.59x = 990,969,177.53
  5. Step 5: Solve for x
    x = 990,969,177.53/45,981.59
  6. Step 6: Final answer
    x = 21,551.44

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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.