Home / 67,961-93,786.18-38,153

Finding the Fourth Proportional to 67,961, 93,786.18 and 38,153

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Solution

The fourth proportional to 67,961, 93,786.18 and 38,153 is: 52,651.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,961 : 93,786.18 = 38,153 : x
  2. Step 2: Convert to fraction form
    67,961/93,786.18 = 38,153/x
  3. Step 3: Cross multiply
    67,961x = 93,786.18 × 38,153
  4. Step 4: Simplify right side
    67,961x = 3,578,224,125.54
  5. Step 5: Solve for x
    x = 3,578,224,125.54/67,961
  6. Step 6: Final answer
    x = 52,651.14

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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.