Home / 92,009.16-126,977.64-51,177.60

Finding the Fourth Proportional to 92,009.16, 126,977.64 and 51,177.60

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Solution

The fourth proportional to 92,009.16, 126,977.64 and 51,177.60 is: 70,627.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,009.16 : 126,977.64 = 51,177.60 : x
  2. Step 2: Convert to fraction form
    92,009.16/126,977.64 = 51,177.60/x
  3. Step 3: Cross multiply
    92,009.16x = 126,977.64 × 51,177.60
  4. Step 4: Simplify right side
    92,009.16x = 6,498,410,868.86
  5. Step 5: Solve for x
    x = 6,498,410,868.86/92,009.16
  6. Step 6: Final answer
    x = 70,627.87

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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.