Home / 67,169.06-92,706.54-38,507.96

Finding the Fourth Proportional to 67,169.06, 92,706.54 and 38,507.96

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Solution

The fourth proportional to 67,169.06, 92,706.54 and 38,507.96 is: 53,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,169.06 : 92,706.54 = 38,507.96 : x
  2. Step 2: Convert to fraction form
    67,169.06/92,706.54 = 38,507.96/x
  3. Step 3: Cross multiply
    67,169.06x = 92,706.54 × 38,507.96
  4. Step 4: Simplify right side
    67,169.06x = 3,569,939,270.53
  5. Step 5: Solve for x
    x = 3,569,939,270.53/67,169.06
  6. Step 6: Final answer
    x = 53,148.57

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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.