Home / 92,005.20-126,977.70-51,173.45

Finding the Fourth Proportional to 92,005.20, 126,977.70 and 51,173.45

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Solution

The fourth proportional to 92,005.20, 126,977.70 and 51,173.45 is: 70,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,005.20 : 126,977.70 = 51,173.45 : x
  2. Step 2: Convert to fraction form
    92,005.20/126,977.70 = 51,173.45/x
  3. Step 3: Cross multiply
    92,005.20x = 126,977.70 × 51,173.45
  4. Step 4: Simplify right side
    92,005.20x = 6,497,887,585.57
  5. Step 5: Solve for x
    x = 6,497,887,585.57/92,005.20
  6. Step 6: Final answer
    x = 70,625.22

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1.5x scale

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.