Home / 92,810.90-127,982.23-55,077.86

Finding the Fourth Proportional to 92,810.90, 127,982.23 and 55,077.86

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Solution

The fourth proportional to 92,810.90, 127,982.23 and 55,077.86 is: 75,949.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,810.90 : 127,982.23 = 55,077.86 : x
  2. Step 2: Convert to fraction form
    92,810.90/127,982.23 = 55,077.86/x
  3. Step 3: Cross multiply
    92,810.90x = 127,982.23 × 55,077.86
  4. Step 4: Simplify right side
    92,810.90x = 7,048,986,431.13
  5. Step 5: Solve for x
    x = 7,048,986,431.13/92,810.90
  6. Step 6: Final answer
    x = 75,949.99

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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.