Home / 68,981.40-95,193.09-38,356.38

Finding the Fourth Proportional to 68,981.40, 95,193.09 and 38,356.38

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Solution

The fourth proportional to 68,981.40, 95,193.09 and 38,356.38 is: 52,931.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,981.40 : 95,193.09 = 38,356.38 : x
  2. Step 2: Convert to fraction form
    68,981.40/95,193.09 = 38,356.38/x
  3. Step 3: Cross multiply
    68,981.40x = 95,193.09 × 38,356.38
  4. Step 4: Simplify right side
    68,981.40x = 3,651,262,333.41
  5. Step 5: Solve for x
    x = 3,651,262,333.41/68,981.40
  6. Step 6: Final answer
    x = 52,931.11

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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.