Home / 90,676.83-125,137.07-50,392.29

Finding the Fourth Proportional to 90,676.83, 125,137.07 and 50,392.29

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Solution

The fourth proportional to 90,676.83, 125,137.07 and 50,392.29 is: 69,543.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,676.83 : 125,137.07 = 50,392.29 : x
  2. Step 2: Convert to fraction form
    90,676.83/125,137.07 = 50,392.29/x
  3. Step 3: Cross multiply
    90,676.83x = 125,137.07 × 50,392.29
  4. Step 4: Simplify right side
    90,676.83x = 6,305,943,927.46
  5. Step 5: Solve for x
    x = 6,305,943,927.46/90,676.83
  6. Step 6: Final answer
    x = 69,543.05

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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.