Home / 92,121.81-127,126.61-51,835.55

Finding the Fourth Proportional to 92,121.81, 127,126.61 and 51,835.55

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Solution

The fourth proportional to 92,121.81, 127,126.61 and 51,835.55 is: 71,532.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,121.81 : 127,126.61 = 51,835.55 : x
  2. Step 2: Convert to fraction form
    92,121.81/127,126.61 = 51,835.55/x
  3. Step 3: Cross multiply
    92,121.81x = 127,126.61 × 51,835.55
  4. Step 4: Simplify right side
    92,121.81x = 6,589,677,525.28
  5. Step 5: Solve for x
    x = 6,589,677,525.28/92,121.81
  6. Step 6: Final answer
    x = 71,532.22

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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.