Home / 90,956.45-125,529.14-50,676.77

Finding the Fourth Proportional to 90,956.45, 125,529.14 and 50,676.77

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Solution

The fourth proportional to 90,956.45, 125,529.14 and 50,676.77 is: 69,939.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,956.45 : 125,529.14 = 50,676.77 : x
  2. Step 2: Convert to fraction form
    90,956.45/125,529.14 = 50,676.77/x
  3. Step 3: Cross multiply
    90,956.45x = 125,529.14 × 50,676.77
  4. Step 4: Simplify right side
    90,956.45x = 6,361,411,356.08
  5. Step 5: Solve for x
    x = 6,361,411,356.08/90,956.45
  6. Step 6: Final answer
    x = 69,939.09

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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.